PUMA Running Shoe Fast-trac Nitro 3 - Feather Grey/glowing Red/purple, size 40

NITROFOAM™: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package PUMAGRIP ATR: Trail-ready performance rubber compound designed for traction on ice, mud, and unstable surfaces PWRTAPE: Targeted upper reinforcement for support and durability Engineered mesh upper Regular fit -The upper of the shoes is made with at least 30% recycled materials