Mizuno Women's Wave Bolt 3 Volleyball Shoes - Black & Silver Pebax 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. - Shock-abosorbing cushioning compound found in the forefoot. Design technology that relieves the stress the foot naturally places on footwear - eliminating distortion for the perfect fit. Strategically designed grooves in the outsole combat forefoot instability by retaining their structure under heavy stress. Midsole ventilation system reduces heat and humidity build-up inside the shoe during performance. - Triple layered mesh upper provides the utmost in breathability and comfort. Enhanced outsole rubber for improved traction and flexibility.