SectionHiker.com Backpacking Gear Reviews and FAQs 
Currex RunPro Insoles are thin insoles designed for low-volume trail runners and zero-drop hiking shoes. They provide the arch support needed to prevent plantar fasciitis while adding extra shock absorption in the heel and forefoot. Available in three different arch heights (low, medium, and high), the RunPro is also a zero-drop insole that preserves the drop of your existing footwear without altering the offset between the height of the heels and the forefoot.
For the longest time, the only insole thin enough to fit into low-volume trail runners was the Superfeet Run Support Low (formerly called the Superfeet Carbon), which provides a monolithic arch support that spans both the arch and the heel (see picture below). Unlike the Currex RunPro, it is only available for people with low arch heights and is not a zero-drop insole, adding a small amount of height to the heel when worn. That seemed like a reasonable tradeoff since they were the only thin insole in town, even though it ran counter to the zero-drop zeitgeist.
The Currex RunPro is different along a number of dimensions. For one, it has three separate components: heel foam, a flexible arch support, and forefoot foam instead of the monolithic and very rigid carbon fiber chassis on the SuperFeet Run Support Low. This lets the Currex RunPro flex under load, maintaining the zero drop of your shoes while still providing arch support. That and the extra heel and forefoot cushioning provide a noticeable uptick in comfort. The fact that the Currex RunPro is available in three different arch heights is icing on the cake.
I’ve been using SuperFeet Run Support Low’s for so long I’ve gotten used to how they feel in trail runners, but the difference in comfort is quite noticeable in the Altra Lone Peak Trail Runners I’ve been using both insoles in this spring and summer. Once I work through my stockpile of Superfeet insoles, I’m going to switch to the Currex RunPros for my trail runners. They’re like walking on air.
If you’d like to replicate this comparison or try the Currex or SuperFeet insoles for the first time, they both have a 60-day return policy, which lets you return their insoles, even if used. Of course, if you’re an REI member, you can return them for up to one year too.
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Do you find that the width of these (and the SuperFeet) works well in the Lone Peaks? I have worn Altra and Topo shoes for years but always found replacement insoles to be too narrow to fill the wider toe box appropriately. Thankfully the Topo “FKT Insole” they’ve started putting in their new shoes is very comfortable.
You know, I’ve never had that problem with width in all the years I’ve been using trail runners with insoles. I wear a 10.5 mens in the lone peaks and the size large Currex runPro fits inside perfectly without any trimming longways or sideways.
I’ve experienced what you’re saying with the Altra’s and the Tread Labs insoles. The foam pad doesn’t quite cover the same shape as the stock pad and you end up with slight gaps on the sides in the front of the shoe (the length is fine). The gaps haven’t been big enough to impact performance – I can’t feel the edge of the pad with my feet at all – but it makes trimming a bit of a guessing game.
How do these compare to the various tread lab models with their 3mm foam? I’ve trying out the pace model with 5mm foam, looking for some more comfort, but feel like I’m getting some heel slip from sitting higher in the show (topo terraventures)
They’re thinner. The problem with treadlabs in trail runners is that they can make the stack a lot higher and create instability although it really depends on the volume of the shoe.
Agree with all points made. Have only been purchasing Currex high arch insoles past two years for my collection of trail running shoes. Had been a loyal customer for Superfeet the previous 10 plus years, and still use them in my ski boots. Superfeet deserves praise for advancing the art of replacement insoles. But needs a new model to keep up with the comfort, support and forefoot flexibility Currex provides.
Do these only work with zero drop trail runners or would they also work with La Sportiva Ultra Raptors.
They work with all shoes. I wear them in La Sportia Wildcats which are virtually identical to ultra raptors.
I’ve been using the Currex Med RunPro insoles for many years now. They fit the wider footbed of my Altras much better than the Superfeet.