The Nike Max Azulikeit running shoe is made for the runner wanting great cushioning. Synthetic leather upper with natural rand materials to deliver a light, breathable and flexible ride. Maximum Air-Sole® unit offers ultimate cushioning in a light, durable package. Light, flexible Phylon™ midsole encased in durable PU. BRS 1000™ carbon rubber outsole to enhance durability. The outsole works in tandem with the midsole in the pursuit of Natural Motion Engineering. Wt. 12.8 oz.