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The Mizuno Wave Lightning RX volleyball shoe features a Pebax® parallel Mizuno Wave® Technology that uniformly disperses shock throughout the sole, providing lightweight cushioning and enhanced stability. Triple layered mesh upper offers the utmost in breathability and comfort. Enhanced AP midsole with increased rebound and cushion durability while maintaining lightweight performance. Shock-absorbing cushioning compound in the forefoot. Midsole ventilation system reduces heat and humidity build-up inside the shoe during performance. Suspension system connects the Wave® plate to the ground, enhancing stability and traction. Enhanced outsole rubber gives improved traction and flexibility. Strategically designed grooves in the outsole combat forefoot instability by retaining their structure under heavy stress. Wt. 10.5 oz.