adidas Men's Speed Trainer Baseball Shoe synthetic-and-mesh Combination of synthetic and mesh upper for light weight and breathability. Tongue wings and a TPU forefoot cage cradle the foot. Textile lining. OrthoLite sockliner provides great step-in comfort and cushioning. Articulated full-length ADIPRENE + midsole for long-term lightweight and responsive cushioning. Decoupled outsole allows lateral movement of the foot for optimal quickness. Multi-surface traction outsole for optimum grip on grass, turf or indoors.