An all-in-one neutral running shoe for any distance, the Velocity NITRO 2 is a lightweight and sleek update to the Run PUMA roster. Featuring NITRO foam for exceptional responsiveness and ultimate cushioning, this upgrade to the original is a well-fitting and durable shoe for a smooth ride. PUMAGRIP offers multi-surface traction, from treadmill to track. NITRO : Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package. PUMAGRIP: Durable performance rubber compound designed for all-surface traction. Engineered knit upper. Reflective design elements. Cushioning level: Medium. Heel-to-toe drop: 8mm. Best for: Neutral pronators. Runner type: Frequent.