The 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: --Engineered; Drop: 10mm Type of surface: Road and Path Stride type: Supinator Engineered mesh upper Asymmetrical heel Flared rubber sole Cushioning level: Max Type of runner: Frequent Breathable mesh upper for adequate foot ventilation Nitro Foam midsole for soft, responsive cushioning High quality carbon rubber outsole for exceptional traction Flat laces for a perfect fit Puma logo on the side NITRO: Advanced nitrogen-injected foam, designed to deliver superior responsiveness and lightweight cushioning PWRTAPE: Targeted upper reinforcement for support and durability RUNGUIDE: Firm density guide rail designed to keep your foot aligned and centered with every stride PUMAGRIP: Durable performance rubber compound designed for traction on all surfaces Interview Clean the shoes with a soft cloth and lukewarm water. Do not use abrasive products to clean the shoes.