The Reebok ZJet gives you a supported and cushioned ride mile after mile. JETFuse technology provides max cushioning and flexibility. Engineered NanoWeb upper support structures provide lightweight support and breathability in key areas of the upper. Seamless construction provides an irritation-free fit. Lightweight molded PU sockliner offers great cushioning. 3D IMEVA midsole for lightweight cushioning and durability. Traditional heel and forefoot midsole heights. Wt. 13.4 oz.