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Gossamer Gear Mariposa Backpack Review

Gossamer Gear Mariposa 60 Backpack Review

Gossamer Gear Mariposa 60 Backpack



The Gossamer Gear Mariposa 60 Backpack is perfect for hikers transitioning from a heavier backpack to a lighter weight one because it provides plenty of storage and organizational pockets. It also has a lightweight frame which provides plenty of load carrying support for heavier loads.

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The folks at Gossamer Gear are always innovating and optimizing the design of their ultralight backpacks and shelters to meet the demands of their customers. This past year, they significantly increased the load carrying capacity of the Mariposa 60 Lightweight Backpack, long considered one of the finest high volume ultralight backpacks made. All of Gossamer Gear’s backpacks are very popular with long distance hikers who demand lightweight gear that’s highly functional and durable for long-term use.

New: Internal Frame Suspension

Gossamer Gear increased the load carrying capacity of the Mariposa by changing the way in which the packs’ aluminum frame connects to the hip belt. In the past, the hip belt was attached to the pack using a simple velcro patch, an indirect connection that would squeak and buckle when put under a heavy load of 30 pounds or more.

This was more common than not because many traditional backpackers use the Mariposa as a transitional backpack when converting from a heavier Osprey or Gregory backpack to an ultralight mindset, and tried to carry their old loads in the high volume Mariposa. While the Mariposa is large enough to fit a “traditional” load, heavier ones would overwhelm the pack’s carrying capacity.

Changes to 2016 Mariposa Hip Belt that make the Mariposa an Internal Frame Backpack
Changes to 2016 Mariposa Hip Belt that make the Mariposa an Internal Frame Backpack

Gossamer Gear experimented with a number of alternative suspension systems before they decided to modify the existing aluminum tube frame so that it slides directly into heavy fabric slots sewn on the back of the the hip belt (transforming the Mariposa into an internal frame pack). They also added plastic inserts to the hip belt to eliminate pressure points where the frame terminates and to distribute the load across a greater surface area.

2016 Mariposa Hip Belt showing how frame slots into hip belt and adjacent plastic stiffeners (hidden by hip belt fabric)
Mariposa Hip Belt showing how frame slots into hip belt and adjacent plastic stiffeners (hidden by hip belt fabric)

The nice thing about this solution is that it preserves the use of the Mariposa sit pad, a multi-functional element that is one of the signature characteristics of the Gossamer Gear product line. The Mariposa hip belt also remains replaceable, so you can choose a size that fits you independent of the torso length that you buy, another huge benefit unavailable with most other manufacturer’s backpacks.

The Mariposa’s new internal frame system is a huge improvement over the 2015 model if you need to carry 30, 35, up to 40 pound loads. The hip belt is noticeably stiffer and there’s a better transfer of kinetic energy from your hips to the pack so you have to work less when scrambling or hiking on rough trails. The hip belt pockets are also noticeably larger in the 2016 model and the hip belt padding also has more give to it so it wraps around your hips better. Gossamer Gear has downplayed these changes, but I think it’s a vast improvement that preserves all of the old advantages of the Mariposa backpack!

If there is a downside to the new frame system, it’s that the Mariposa weighs 4 ounces more (size large torso/medium hip belt) than the 2015 model bringing the pack’s total weight up to 33 ounces. While that is a significant weight increase, it aligns the Mariposa’s capacity much better with the loads that most transitional hikers want to carry. If you want a lighter weight pack and can get by with less volume, I recommend you look at the Gossamer Gear Gorilla 40, which is also an exceptional lightweight backpack.

Mariposa Design Walk-Through

If this the first time you’ve considered buying a Mariposa Backpack, here’s a walk-through of the things that set the Mariposa apart from other lightweight backpacks.

Unisex hip belt and shoulder straps provide better comfort for women and men
Unisex hip belt and shoulder straps provide better comfort for women and men

Hip belt is available in multiple sizes

The Mariposa’s hip belt is available in multiple sizes so you can get a near custom fit, regardless if you’re skinny or have a few extra pounds around the middle. The hip belt also has two large sewn-on pockets which are invaluable for storing small essentials that you access frequently during the day. When you order a Mariposa, just select the hip belt size you need.

Lots of External Backpack Pockets

The Gossamer Gear Mariposa Backpack has 7 external pockets:

  • a zippered pocket in the top lid sized for maps and small items like a headlamp or your wallet/keys
  • two medium-sized pockets on the right side, large enough for storing 2 x 1 liter water bottles or a small cook pot
  • a large/long pocket on the left side, that I call a “quiver” pocket, suitable for storing a tent, tarp or hammock
  • a large front mesh pocket that’s good for storing damp gear or extra layers
  • two zippered hip belt pockets for storing DEET, sun tan lotion, or snack bars

On top of that, there are gear loops running up and down the sides, front, and top of the pack so you can rig up custom shock cord or webbing to secure even more gear to the outside of the pack, from solar panels to bulky sleeping pads.

The long quiver pocket on the side of the Gossamer Gear Mariposa is perfect for packing a bulky tent and tent poles. It's also a good way to segregate wet gear from the internal contents of your pack.
The long quiver pocket on the side of the Gossamer Gear Mariposa is perfect for packing a bulky tent and tent poles. It’s also a good way to segregate wet gear from the internal contents of your pack.

When I pack the external pockets of a Mariposa, I put my wet water filter in the big front mesh pocket so it can drain (drain holes included) along with an extra empty water reservoir, rain jacket and pants, and a few snacks. If I’m carrying a tent, tarp, or hammock, I pack it in the long “quiver” pocket on the left side of the backpack so I can set up my shelter in the rain without ever opening the main compartment of my pack.

To counterbalance a shelter, I pack 1 or 2 liters of water in the bottom pocket on the right hand side of the pack and put my cook pot/stove/gas canister in the upper pocket on the right side. My maps and compass go into the top pocket on the backpack lid, along with extra hats and gloves, while my camera, SPOT, headlamp, sun tan lotion and other sundries go into the hip belt pockets. Having all this stuff on hand and accessible means that I can maintain a fast pace all day, which is the key for walking big miles on backpacking trips.

Gossamer Gear Mariposa - Mariposa Backpack, Circa 2009
Mariposa Backpack, Circa 2009 – You’ve come a long way baby!

Backpack Frame and Suspension System

The most important element of a backpack is the suspension system because more than anything else, it determines whether the loads you carry will be comfortable or not. The suspension system on the Mariposa consists of six components including:

  • Shoulder Straps
  • Hip Belt
  • Inner Aluminum Stay
  • Sternum Strap
  • Load Lifters
  • Removable egg-shell sit pad which serves as a multi-purpose, back pad
The Mariposa includes a removable frame stay which stiffens the pack and helps transfer more of the load onto your hips.
The Gossamer Gear Mariposa includes a removable frame stay which stiffens the pack and helps transfer more of the load onto your hips.

The new 2016 Mariposa suspension uses the same internal aluminum tubing as the 2015 model to add stiffness to the pack and help transfer more pack weight to your hips. While it is optional and can be removed to save weight, most hikers keep it in the pack. If necessary, it can be easily bent to fit your back better and adapt to your posture.

The shoulder pads on the Mariposa are pre-curved for greater comfort to fit women and people with narrower shoulders and/or breasts. Softer padding has been added to the inside of the shoulder pads and hip belt providing a cushier feel than previously.

You can achieve an even cushier fit by replacing the closed cell foam pad that slides into the sit pad pocket on the back of the Mariposa with an Air Beam Pack Frame, also sold by Gossamer Gear, or replace it with a third party pad. However, the closed cell foam sit pad that comes with Mariposa has many uses – see the Gossamer Gear SitLight Camp Seat.

The Mariposa also includes load lifters which I consider a must-have on higher volume backpacks. Without load lifters, a heavily loaded backpack has the tendency to pull you backwards and off-balance. Load lifters help counter the backwards tilt of a heavy pack, bringing it closer to your back, and shifting more of the weight onto your hips.

The top lid pocket on Gossamer Gear Backpacks is a great place to store small essentials that you access frequently on the trail.
The top lid pocket on the Gossamer Gear Mariposa is a great place to store small essentials that you access frequently on the trail.

How to Pack a Mariposa

If you use a regular internal frame pack today, but have been considering a switch to a lighter weight or frameless backpack, here are some tips on how to pack them. Most ultralight and lightweight backpackers put all of the gear, food, water, and water filter/purification supplies that they need for the day in the outside pockets of their backpack for easy access to it without having to take a long break.

Items that are not needed or items that need to stay dry are carried inside the backpack’s main compartment, customarily wrapped in a plastic compactor garbage bag and additional waterproof stuff sacks as needed. Despite using waterproof fabric, most backpacks (including ones made of cuben fiber) are not totally waterproof because they leak at the seams where a needle has passed thread through the fabric. While the Robic fabric on the Mariposa sheds water well in rain, I line the pack with a plastic bag to prevent my gear from getting wet.

The Gossamer Gear sit light pads provides a clean place to sit when cooking dinner.
The Gossamer Gear sit light pad provides a clean place to sit when cooking dinner and is one of the distinguishing multi-use characteristics of Gossamer Gear overnight packs that make them unique.


If you prefer a big backpack or if you are transitioning from a fairly beefy internal frame backpack to a lightweight one, I’d recommend getting yourself a 33 ounce Gossamer Gear Mariposa 60 Lightweight Backpack. Switching from a 4+ pound backpack to one that weights just over 2 pounds is a revelation if you haven’t tried it, but it doesn’t mean you have to downsize or replace all of your gear at the same time. The Mariposa is large enough in that respect to accommodate all of your existing gear today.

As someone who has gone through that process, I like the updated Mariposa because it has a much more robust internal frame to handle heavier loads as you gradually reduce your gear weight. This change increases the appeal of the Mariposa for a wider range of backpackers, who will benefit from switching to such a well thought out and time-tested lightweight backpack design.


  • Unisex shoulder pads and hip belt
  • Solid, reinforced side bottle pockets instead of mesh
  • Side bottle pocket is reachable when wearing the backpack
  • Internal hydration sleeve and drinking tube keeper loops on both shoulder straps
  • Hip belt is available in multiple sizes so you can get a near custom fit
  • Top lid pocket includes large pocket and provides top compression
  • Great body hugging fit
  • Too many to list….


  • Be nice if the hip belt and top lid pockets had waterproof zippers
  • Not as much ventilation as mesh-backed packs in hot and humid weather

Disclosure: Philip Werner received a sample Mariposa backpack from Gossamer Gear for product testing and review.

Updated 2018.

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  1. Do u bend the aluminum stay to fit your back ?

  2. I know people really really like these packs. I never gave GG bags much consideration though, primarily because of their looks–sickly grey and lumpy.

    • Yeah, not fashionable at all. eBags has some better color combinations that should match your hiking wardrobe.

      • You’re quick to insult your readers for criticism of gear you get sent for free in exchange for reviews.

        I think their designs are interesting but agree the colors look like they’re straight out of a North Korean uniform shop. I think naming a backpack after a Barbie movie is terrible too.

      • I happen to like the subdued colors, though I recognize they might not please all users. Perhaps Bryan should have said that the GG colors are not his favorite rather than calling them sickly. And perhaps, just perhaps, you might consider that the pack might have been named after something other than a Barbie movie. But even if that were true, it’s a far cry from “terrible”.

      • Careful, expressing a taste for a particular style or color will get you told to go purse shopping here.

        As for the name, I wasn’t seriously suggesting it was named after a Barbie movie, though naming a unisex pack after a butterfly is an odd marketing choice.

      • It’s named after Mariposa Grove in Yosemite.

        And it was a men’s pack nearly a decade before it became a unisex pack.

      • I think that unnecessarily insulting a choice might earn one a swift kick in the pants here much more quickly than politely expressing a taste for a particular style or color. And given the wide variety of names that GG gives to its packs, Mariposa doesn’t seem all that odd to me.

      • Adam seems to have no sense of humor. I regret if I offended you and I apologize for it. It seemed like a witty comeback at the time, but obviously misfired. Stick around. I’ll raffle this pack off in a few weeks. Although vendors send me stuff for free to review, I only review things that I ask for and find interesting.I turn down almost all inbound review offers that come my way. The new Mariposa is interesting to me because I used this pack for many many years (from 2008 to 2015) as my main backpack. So I’m interested in its evolution, even though my needs have changed.

      • Philip – You shouldn’t feel the need to apologize, although you’re a gentleman for doing so. I thought your eBags remark was hilarious and it gave me a great chuckle on a Monday morning!

  3. Do you think the new hipbelt can be adapted to work with earlier models of this pack? I have the 2012 version and not ready to replace it, but this belt sounds like a nice upgrade if it could be made to work.

    • I’d contact GG support and ask. I can’t remember what they used as their frame stay system back then and they don’t provide any documentation for older model upgrades.

    • This was on the GG website page for the new belt.

      The belt can be used with any 2012 and newer Robic or Dyneema fabric packs without any modification.
      This belt will not fit 2011 and older silnylon Gorilla and Mariposa model packs.

      • Good find, but you will have to modify the inside of the pack to fit the stay into the new hip belt. Might want to check in with GG support about how to do that in a way that the inside of the pack doesn’t continue to tear open when you punch holes in the back panel. Just saying….that is, if you want the new hip belt so you can insert the stays into it.

    • Yes, I upgraded my 2014 with the 2016 belt, and the results are quite nice. I got the belt as a second, cosmetic blem or some such thing, for $30 about four(?) months ago, it slips right in. I have not done the surgery to pull the frame rods out to the belt (and might not do so, seems pretty good the way it is; if want to do it, just burn some 6mm holes an inch or so above the beltline with a soldering iron). Carrying that first day’s food and full water load is much more comfortable with just 2 minutes of work.

  4. Fact is, my 2012 Mariposa works just fine as is, but I also have never loaded it beyond 24 lbs for a 5 day trip (12.5lb base weight plus 4.4lbs of water and 7lbs of food). Day 5 down to 18lb – just when I am finally able to carry more.

  5. I have a 2016 Mariposa and love it. GG is one of the few manufactures that makes a pack that works for someone with a 23″ torso. It carries the weight very well. I do not have experience with previous versions however I carried 11 lbs. of water once to make it through a dry spot without problem. Two upgrades I’d like to see; compression straps and forward tightening hip belt straps.

  6. Excellent review. Capacity wise twith 2200 ci in the main body, it looks like the Mariposa spec’s out similar to the ULA Ohm.

    I like the idea of all the outside storage options. Really opens up the main compartment to carry a large trip’s worth of food in the Ursack, or bigger, bulkier insulation in the cooler months.

    How does the Mariposa handle a bear canister?

  7. How do you like this pack compared the new Granite Gear AC 60 you saw at the show?

  8. For me the Robic material is suspect durability wise and porous as heck after using the GG Gorilla. I hear the webbing strap issues have been fixed and hope the new design is reliable. If anyone needs to understand how to fix the hipbelt on the new Mariposa or Gorilla there is a handy video from BPL.CO.UK on its Outdoor Station: http://www.theoutdoorsstation.co.uk/2016/07/how-to-fit-a-gossamer-gear-2016-robic-belt-to-a-mariposa-or-gorilla/

    • Nice video (Bob). Mine came pre-assembled in a box. Perhaps they don’t if you order them in the UK. I assume they did that in the US because its not a simple as it once was. Thanks Martin.

    • I’ve pretty much given up on Gossamer Gear’s fabric and mesh pockets for off-trail hiking since it doesn’t stand up (no one’s does), but for trail based hikes it’s fine with due care, provided you line your pack with a trash bag to keep the contents dry. I still do that with the off-trail CF packs I use, since the seams DO leak.

      • You got that right. I ordered one of these back packs last year because of this review. On my first hike with it, we were doing a section of the Florida trail and we were on a section going though a bog that had a raised walk way. The raised walk way went through a thicket of mangroves that had grown over the walk way and we had to crawl on our bellies for about 10 yards. Unfortunately, the thicket caught the stretchy mesh on the back of the pack and ripped a dime sized hole in it. But other than that, I l love this pack.

  9. I ordered one of these earlier this year after seeing my friends 2015 model. Love the pack, and GG provided great customer support with sizing questions and a fast exchange on a hipbelt because the sizing wasn’t right. My one note on belt sizing for the medium belt; if you’re a 36″ waist get the large not the medium. Also, I got one of the “cosmetic seconds” and for the life of me can’t find anything wrong with it.

  10. Love the shot of the “vintage” Mariposa. I have one of those myself. Weighs in at 17oz with the padding removed from the hip belts and shoulder straps. GREAT at carrying under 18lb ON TRAIL as the fabric’s pretty delicate. Horrible at carrying anything over 22lb or off trail. It still gets used, but there are quite a few more modern packs that I have that add only a hair over a pound more, are considerably more durable, carry much more comfortably and, if needed, can carry more weight…more comfortably. Think SMD and ULA.
    My poor old Mariposa’s been in the shop three times for repairs.

  11. I have a 2015 Mariposa and a 2015 Gorilla and have added the 2016 hip belt to each with DIY modifications. I’ve been pleased with the results on each. So far I’m a strictly on-trail hiker and love them both for the purposes I use them.

  12. Gotta ask if the water pocket is reachable? I have a normal range of motion and would love to find a pack that has this ability and what it now offers. With the improvements I am very interested in this pack.

  13. I started with an SMD and moved to GG and now have three. I don’t hike to show off my bags color same for my tent. I buy the best gear for hiking big miles in back country so I can get up the next day and look forward to more miles with less effort and pain. There are several reasons GG are turning up to be the best because they work and have wide ranging ability and are flexible. If I need 25 lbs use the full accessories if only 10 lbs strip it under a pound in 10 seconds. Based upon all the reviews ranking them the highest this is not the only place singing praises. Just think of the nightmare of carrying multiple colors for a small company. I can tell you firsthand it is a huge problem and cost.

  14. Sweet looking pack. Thanks for another pack review. Love reading new articles here.

  15. The Mariposa is out of stock except in extra large. The Gorilla is completely out of stock, and the G4 is out except for small. Does anyone know why?

  16. I have a 2014 and have carried up to 33 pounds in mine. I love it and it is my main backpack (I own 4 multiday packs). I have tried it with and without the back stay and choose to use the stay for any loads over 25 pounds (it is easily bendable).

    Highly recommended here!

  17. I’m wondering if there’s anything else That could be used other than a sit lad to increase the ventilation.

  18. Nice review. One comment– The foam pad is not unique to the Mariposa. The Ohm 2.0 has an easily removeable pad that works great as a sit pad and for insulating my legs in the hammock.

    The Mariposa’s a great pack, for sure. I almost bought one. And the color is industrial. I like it.

  19. Thanks for the great review. I too love my 2016 Mariposa pack. The hip belt makes the pack feel like an SUV, compfy and flexible.

  20. Great review. What is the diameter of the quiver pocket on the Mariposa (can it hold a tent that compresses to 8 inch diameter)? Any ideas for rigging a solution to the non-watertight top zipper? Thanks!

  21. I own the 2015 model and think it’s a totally awesome pack. I’ve put around 500 miles on it in the past few months starting with the Overland Track in Tasmania, and most lately the Highline (CDT) trail in the Winds just last week. The outside pockets are extremely handy and adaptable for all sorts of gear. I was formerly a devotee of Osprey Packs, and though the GG pack seems almost low-tech in comparison, it is far more comfortable than any other pack I’ve owned. I don’t have a single hotspot, and sometimes I almost forget I’m wearing it. Also, (silly detail) I have been turned off by the ‘fashion’ colors that some pack companies are into lately, and much prefer the toned-down gray of the GG pack. Wish more companies would follow their lead and offer a choice of subdued colors. Some of us would rather maintain a low profile. Fluorescent fuschia and iridescent turquoise can look rather jarring in a natural landscape.

  22. Philip or anyone else–Any thoughts on the new foam being used in the hip belt and shoulder pads? It appears much more porous than the old foam. Wondering if anyone has an opinion on any differences or preferences in performance.

  23. Thanks Philip–Did you think the new foam made any significant difference in the shoulder straps? I think the question may be helpful to anyone considering modification to a pre-2016 Mariposa having the old foam for the shoulders.

  24. I was about to buy a 2016 gorilla and they updated it again! The changes are all the same as with the Mariposa but the latest Gorilla has a “brain”. I’d be curious to see if they add it to the Mariposa as well.

  25. Great review! One question: you mentioned that there was an “extra waterproof coating” on the Mariposa. Does that come with the pack or did you treat it yourself? If so, with what?


    • I think that a holdover from when they first switched to Robic. They’re nothing extra. Robin is just nylon so it doesn’t absorb much water (unlike canvas – old school). I’ll delete the reference.

  26. Where Can I find a Rain cover that fits the Mariposa

    • You don’t need a rain cover. Just get a pack liner or some dry sacks for your stuff inside the bag. Your pack will get wet even using a rain cover…

  27. Largely due to your positive review, I purchased a 2015 Mariposa. I put it to work at the end of August in Glacier National Park on two trips. My weight complete for four days, three nights was 27.2 pounds, including 2 liters of water. The pack is great. The fit for me was better than the other packs that preceded this one. Comfort and balance with the pack was as advertised. Everything on the pack works as described. After rethinking how I pack the backpack, I like the way the pockets keep my gear available as needed throughout the day. A 60L, 2 pound backpack with amazing fit and comfort. Thanks Philip.

  28. hi,i got a mariposa sack while I was a uk ambassador for GG.really like it and a good carry but most ive had to carry is 13 k on a 5-6 day route around knoydart area .planning a walk where I may need 8-9 days food to carry .with the new hipbelt what sort of weight have you carried in the mariposa on the hill ? as mine may have to go upto maybr 16-18k with gear and 9 days food ..safe travels peter

    • I’ve carried 50 pounds in a Mariposa (up big hills) and will never try that again. Did this before the new hip belt extenders though. I’d use a Seek Outside external frame for that kind of load now. Much much better frame and hip belt.

      • Ive already got an Mld Cuben Exodus and the mariposa so trying ! Not to buy another pack, think I can get weight under 17k so 38lb so just wondering if with new hip belt on my 2 yr old mariposa it be comfy enough to carry obviously it will get lighter each day ? Ta for any thoughts petet

  29. Philip what do you do about compression straps on this pack? I ordered one to try out and there is no compression whatsoever, but there are several tabs where one could attached straps. Recommendation?

  30. Thanks for the review.

    Are the aluminum stays vertical or do they taper towards the center at the bottom (at the lower back)? This is important for load transfer…

    • The most important thing about stays is that they terminate in the hip belt in the middle or sides of the lumbar area, which these do. Not sure what you mean by tapering at the bottom…you do realize that the point of using a stay is that they can be bent to fit the wearer’s back and preferences?

  31. The biggest question I have is the susceptibility of the materials to abrasion and tears from rocks and trees. Being so light weight has me wondering about durability. ON the plus side…other than color and design I have not heard any real complaints about this pack. I am used to being unfashionable so even if it was bright pink I would still be willing to buy one if its resistance to tears and abrasions is good.

  32. volume wise, how does this compare to my osprey kestrel 48? their site says 36 liters in the main body, how much does the extension collar add, and how does it ride when packed high? usable hip pockets would be great.

  33. Philip,

    For someone used to traditional packs like Gregory and Osprey but who still wants a large capacity backpack that is very lightweight would you give the edge to the Mariposa, the ULA Catalyst, or the ULA Circuit. After reading your review and researching all three I’m leaning towards the Mariposa but wasn’t sure which one you recommend.

    • It really depends of what your preferences and volume needs are. There are differences between them and how you’d use them.

      Ask yourself if the long pocket on the Mariposa fits your backpacking style. Do you like to carry water bottles balanced on both sides of your backpack? if the answer is yes you’ll hate the Mariposa. Will you feel naked at not having a sit pad to pull out whenever you want to sit down for a break. If yes, get the Mariposa or one of their other packs. If having S-shaped shoulder straps is important (you have a big chest) or you prefer the adjustment system on the ULA hipbelt, go with a ULA packs. The biggest difference between the Catalyst and the Circuit is the number of stays (2 vs 1). I think the Catalyst is too big, but it depends on what you want to carry. Do you prefer a roll top – ULA. Some people really hate the top flap on the Mariposa.

      I like them all and recommend them all. I used a Mariposa for about 8 years, but got sick of replacing them when they got ripped up. If I had to choose between them, I’d pick the Circuit. But that’s me, not you.

      • I understand what you are saying with it being my decision. I’m just looking for feedback and general guidance which you definitely have helped with. Yes, I do typically carry a one liter smartwater bottle on each side but unless I missed something can’t you still do that even though the pockets are different sizes and aligned differently?

        I am used to having a lot of exterior pockets and the floating lid top on the Mariposa as it is similar to the traditional pack I have now so I think it’s the best fit for transitioning to an ultralight pack. It also has the best suspension and max load capacity at 35lbs and the lightest. I also like the color and style better than the Circuit.

        I don’t think the water bottle issue is a deal breaker but I guess I’m not visualizing this correctly?? I guess I will research further but it’s definitely a tough decision

      • you can’t get that water bottle unless you take the pack off.

  34. Can you not tighten and cinch tighter or looser the hip belt on the Mariposa as you would say on any other Osprey or Mainstream pack?

    • you can, but you it has less tilt than on the ULA packs which have two straps not one. The mariposa webbing also gets caught in its buckle and doubles over, or did. really f-ing annoying. The ULA hip belt can also be adjusted vertically up or down 2 inches which is really nice for fine tuning torso length.

    • Based on what you’ve said you’d probably like their silverback better, if you can get down to 50L

  35. Hi Philip,
    I am writing because I think this pack is very seriously flawed by its exceptionally poor durability, and was wondering how much you’ve used it and whether you’ve had any durability issues with it.

    I’ve counted the number of days I’ve used this pack, and its only around 25. After these 25 days every side pocket has developed a hole of greater than a quarter inch, the mesh front pocket has 3 giant holes that I’ve had to patch again and again, and even the main compartment has a dime-sized hole at the very bottom. After only about 3 days one of the pockets had a hole that I had to patch, not from bushwacking, but from simply putting a gas canister in it.

    There was one day late into my last trip that I lost a gaiter, a pair of rain pants and a glove because of this problem. The gaiter and the rain pants managed to slip through a hole in a side pocket, and the glove slipped through the main pocket. All on the same day, because I had to do about an hour of bushwacking through a bog on a trail with no markings and must have caught onto something without noticing. Sure I could have been more careful knowing how bad this pack was, but it really isn’t something I’m used to having to worry about (nor should I be). It was rainy and miserable that night, with mud and more rain the next day, and I was soaking wet and cursing this pack.

    Basically, I think this pack is amazing in terms of how comfortable and light it is, but it is absolutely unusable in my opinion because the materials simply have zero abrasion resistance. I am surprised at how many positive reviews there are, especially since none of them mention how this thing won’t last a week let alone a month of use.

    • I completely agree with you. The pack is not durable. Which is why I switched to hyperlite mountain gear packs a few years ago. I got sick of replacing my Mariposa year after year when it got ripped up.

      If you read up the thread…”Philip Werner July 8, 2017 at 8:50 pm Edit
      That’s why I quit using Gossamer Gear packs and switched to ones from Hyperlite Mountain gear instead. Much more durable. Much.”

      My main pack at has been a HMG 2400 southwest for several years now. Of course, that one is getting pretty beat up too, but it hasn’t torn yet.

  36. i’m transitioning from a “traditional” internal frame pack, and one feature that makes me pause on the mariposa is the hip belt doesn’t have a pull forward cinch. does anyone miss that with this hip-belt? I seem to adjust my hipbelt fairly frequently when hiking.

    • That feature was first invented for high capacity packs made by Kelty, intended to carry very heavy loads. It’s a lot less necessary for lighter weight packs though. The hip belt on this pack is pretty grippy.

      • thanks for the feedback! i’ll keep that in mind.

      • Its also nice that you can replace the hipbelt easily on the Mariposa with a longer or shorter one if you gain or lose weight. Sometimes I remove the hipbelt and frame stays completely when going light and use a foam pad in the back pocket to give the bag shape. The 60 liter bag is a bit big for this configuration, but it does work.

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