Her fit, her workouts, her style. The PWR XX NITRO training shoes, engineered specifically for women's feet, provide the stylish support to sculpt, sweat, and crush workouts. The NITRO foam-infused midsole provides superior cushioning and responsiveness while the women's-specific fit is built for her to feel secure and locked in for floorwork and jogs on the treadmill. NITROFOAM : Advanced nitrogen-injected foam designed to provide superior 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 Women's fit: This product was designed for the female foot, based on fit-testing and feedback from female athletes. Lightweight upper Best for: Neutral pronators Heel-to-toe drop: 6mm Cushioning level: Medium PUMA Formstrip on the lateral side.