Mizuno Women's Wave Lightning RX3 Volleyball Shoes - Black & Royal New Seamless upper provides lighter and improved fit. - Parallel Mizuno Wave Technology uniformly disperses shock throughout the sole, providing lightweight cushioning and enhanced stability. Enhanced AP midsole with increased rebound and cushion durability while maintaining lightweight performance. - Dynamotion Fit Technology that relieves the stress the foot naturally places on footwear  eliminating distortion for the perfect fit. New Dynamotion Groove in the outsole that increases flexibility and agility on court, while minimizing forefoot instability. - Midsole ventilation system reduces heat and humidity build-up inside the shoe during performance. Suspension system which connects the Wave plate to the ground, thereby enhancing stability and traction. Enhanced outsole rubber for improved traction and flexibility.