PUMA - TRAIN XX NITRO was made for her. It features premium technology with a lightweight, NITRO-infused midsole for superior cushioning and responsiveness. A women's specific fit is engineered specifically for her. In PWR XX, she gets stylish support to sculpt, sweat, or crush cardio. Her fit, her workouts, her style. This product is built for her to feel secure, locked in, and grounded for floor work movements and light work on the treadmill. NITRO Infused: Enclosed nitrogen-injected foam designed to provide responsiveness and cushioning in a lightweight package - PWRTAPE: Targeted upper reinforcement for support and durability - PUMAGRIP: Durable performance rubber compound designed for all-surface traction - Womens fit: This product was designed for the female foot, based on fit-testing and feedback from female athletes - Heel-to-toe drop: 6mm - Cushioning level: Medium - Best for: Neutral pronators - Lightweight upper - PUMA Formstrip on the lateral side