Cruise in comfort with the Nike Air Sock Racer Flyknit Shoes for men. It features a lightweight, breathable Flyknit upper for a sock-like fit & two straps that provide a midfoot lockdown. A lightweight foam midsole with a full-length Air-Sole cushioning enhances comfort, while a Free-inspired rubber outsole creates traction. Lightweight, breathable Flyknit upper Two straps provide a midfoot lockdown Lightweight foam midsole with full-length Air-Sole cushioning enhances comfort Rubber outsole creates traction