Premium waterproof full grain leather upper; 400G Thinsulate insulation adds warmth; Breathable waterproof 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 than traditional rubber; Durable direct-attach construction; Nylon shank for lightweight support; Lightweight CarbonMAX composite-toe with a lower profile, increased strength, and resistant to temperature swings plus protection from impact and compression; ASTM F2413-24 I/C EH SR