Mizuno Wave Rally 4 - Women'sThe Mizuno Wave Rally 4 volleyball shoe features a mesh and synthetic upper that provides breathability, support, and comfort. Midsole Ventilation System reduces the heat and humidity build-up inside the shoe to keep your foot cool. Full-length EVA midsole offers excellent shock absorption and cushioning. Zigzag Mizuno Wave® Technology uniformly disperses shock throughout the sole, adding cushioning and enhanced stability. Enhanced rubber outsole delivers improved traction and flexibility. Wt. 8.8 oz.