Design: Premium synthetic super fiber upper for superior comfort and durability Ultralight, flexible, tennis shoe feel for increased speed and quick first step Equipped with ringor technology In-Shoe Comfort: Full-length EVA midsole to minimize pressure from impact and shock Flex point at the ball of your foot mimics natural movement and improves durability Premium shock-absorbing fixed arch insole reduces fatigue Raised heel design creates a natural orthopedic lift Traction & Durability: Decoupled rubber bottom dynamic outsole designed for training and running Front five spike pattern to increase acceleration when pivoting