Durable waterproof leather upper, Padded collar & tongue for comfort, Ankle pads for added protection, Scanner safe non-metallic composite hardware, Waterproof & breathable bootie membrane keeps feet dry, Fast wicking lining for moisture management & comfort, M-P.A.C.T Response insole for maximum comfort & shock absorption, EVA midsole for underfoot comfort, SRA high traction rubber outsole designed for maximum grip, Tested & certified to European Standard EN ISO 20347:2012 OB E FO WR SRA