Mizuno Men's Speed Trainer 2 Baseball Shoe 100% Synthetic leather Synthetic sole The dynamic synthetic leather upper gives great feel and breathability. A new DryLite moisture management mesh liner provides wicking comfort. The Parallel Wave technology in the heel supplies cushioning and stability, while the full length molded EVA footbed is designed for shock absorption and a custom feel. The multi directional solid rubber outsole establishes traction and support on all surfaces. Pro Flex multi zone flex points create a natural feel.