PUMA Sneaker Explore Nitro Gtx - Black/dark Grey, size 40½

Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package Extremely lightweight EVA designed to cushion your landing and propel each step Trail-ready performance rubber compound designed for traction on ice, mud, and unstable surfaces Mid-cut booty construction GORE-TEX upper Flared midfoot shape OPTIFIT adaptive fit system designed to offer a secure lockdown and support during exercise