Mizuno Women's Wave Hurricane WOMS WH-BK Volleyball Shoe 100% Synthetic Imported Rubber sole Parallel mizuno wave construction uniformly disperses shock throughout the sole, providing lightweight cushioning and enhanced stability Mizuno ap+ light weight mid-sole material that allows for increased rebound and cushioned durability while maintaining lightweight performance Dynamation groove increases flexibility and agility while minimizing forefoot instability Non-marking outsole does not mark up the gym floor Weight: 8.1 oz