The Puma ForeverRun NITRO brings an innovative combination of support and guidance to runners, through a full NITRO midsole with differing densities and an asymmetrical heel counter to improve stability and retain the foot's position during running. The outsole is also designed with a wider medial rubber segment to assist with pronation control. Generally, it offers a well-balanced blend of cushioning and support. Features: - NITRO: Advanced nitrogen-injected foam designed to provide superior responsiveness and cushioning in a lightweight package - PWRTAPE: Targeted upper reinforcement for support and durability - RUN_GUIDE: Firm density guide rail designed to keep your foot aligned and centered through each stride - PUMA_GRIP: Durable performance rubber compound designed for all-surface traction