The Defier RS is engineered to stand up to the most intense game play. Outsole Non-marking, durable Aosta 7.0 rubber with abrasion resistant Drag. Guard in the toe and heel for extra durability in theses high-wear areas. Midsole Shock Spring cushioning technology. PU and braided metal Cushion Board construction for extra support. Upper Leather with ultra-durable Tec. Tuff toe wrap as an extra line of defence against excessive toe-dragging. Stay-Tied laces to keep laces tied.