Premium waterproof leather with TecTuff abrasion resistant toe and heel rand; Breathable waterproof membrane with moisture wicking mesh lining; Removable, tri-layer, anti-fatigue footbed; Superlight EnergyBound Max midsole provides our most responsive cushioning, for maximum performance and comfort all day long; Rubber lug outsole; Lightweight cement construction; Molded TPU Shank; 1.53 lbs per boot based on 6" safety-toe style; ASTM F2413-18 M/I/C EH rated CarbonMax composite-toe; Meets industry standards for slip resistance - ASTM F3445-21 SR