Shoe Width: Medium/D Design: Leather, textile and mesh combine for a durable construction that's breathable and comfortable to wear all day Originally designed for running, the Max Air unit delivers lightweight cushioning with every step In-Shoe Comfort: Foam midsole adds cushioning to last Visible Air cushioning for enhanced comfort Durability & Traction: Rubber outsole provides traction and durability Flex grooves in sole let your foot move naturally Brand : Nike