Tried out on ~two short mile long runs before being diagnosed with ankle instability. Sadly hoping to resell! ✨Like new (comes without box) ✨Size small ✨ Flexible support and shock absorbing cushioning from heel to toe help reduce fatigue, prevent common running injuries, and boost performance. ✨ Dynamic arch support insole with a deep decoupled heel cup fits, wraps and locks the heel in place to improve stability, reduce pressure, and provide a perfect fit. ✨ Rebound cushioning and controlled power transmission provide faster regeneration and powerful propulsion with every stride. ✨ Performance insoles feature a zero heel drop, providing the best fit in most running shoes with optimized motion for all running foot strikes. ✨ Helps manage moisture with mesh top layer and premium foam cushioning to keep feet dry and running shoes fresh.