Premium waterproof full-grain leather upper Breathable waterpoof membrane with moisture wicking mesh lining Removable HyperRest® performance comfort footbed cushions and supports foot to reduce pain and fight fatigue Advanced comfort and protection from PU midsole TPU SR lug outsole that is 3x more abrasion resistant that traditional rubber Durable direct-attach construction Nylon shank adds extra strength and flexibility Slip Resistant rated ASTM F3445-21 SR Electrical Hazard rated ASTM F2413-18 M/I/C EH Composite-Toe Vendor Product Number: W251007