VKTRY insoles don’t have a season — they’re carbon fiber, they don’t care if it’s July or January. But they pair nicely with the lighter, less-cushioned trainers most people rotate in once the weather warms up, which is why we’re flagging them here. The insole acts like a small spring: it loads at the heel, holds the arch up, and snaps back at toe-off. Independent testing shows roughly a 9% increase in explosiveness, and most runners report something close to a 1% pace bump at race effort.
Read more about how VKTRY is rated as the best insoles for running byMarathon Handbook
