Mizuno Men's Wave Lightning RX3 Volleyball Shoe 100% Synthetic Imported Synthetic sole Seamless Synthetic Upper For Improved Lightweight Comfrotable Fit Rubber Outsole For Traction And Flexibility Enhance AP Midsole With Increased Rebound And Cushion Durability While Maintaining Lightweight Performance Parallel Wave Technology Unifromly Desperses Shock Through The Sole Providing Cushioning And Stability Dynamotion Fit Creates An Upper That Moves With Your Foot Seamlessly While Still Fitting Securely