Fasten8 nylon straps built in with the foot wrap lacing system to provide a secure, custom fit. Revolutionary and exclusive Ignite Foam midsole delivers energy return, responsive comfort, stable cushioning, and optimum comfort. The PWRCAGE super strong and lightweight TPU saddle provides excellent support and stability throughout your swing. Performance mesh + non-stretch TPU, waterproof and breathable, PWRCAGE and PWRFRAME TPU combine for a performance shoe. Organic modified traction - traction inspired by nature, strategically designed lugs in appropriate areas for increased traction throughout your swing for extra grip and power.