Fasten8 - Advanced nylon straps with lacing around the foot system for a secure, custom fit. IGNITE FOAM The revolutionary and proprietary midsole foam delivers energy return, responsive comfort, stable cushioning, and superior comfort. The PWRCAGE super strong lightweight TPU saddle provides excellent support and stability during your swing. High Performance Mesh Fabric + TPU; Non stretch, waterproof and breathable mesh fabric combining premium TPU and PWRFRAME for a point free performance shoe. Organic traction inspired by nature, strategically designed tabs in the right areas for improved traction during swing for improved grip and strength.