Mizuno Women's Wave Rally 5 Volley Ball Shoe 100% Textile and Synthetic Imported Rubber sole Shaft measures approximately 3.3" from arch Zigzag mizuno wave technology uniformly disperses shock throughout the sole, providing excellent cushioning and enhanced stability Air mesh and synthetic upper offers breathability, support, and comfort Midsole ventilation system reduces heat and humidity build-up inside the shoe during performance Full-length ethyl vinyl acetate midsole provides excellent shock absorption and cushioning