Waterproof upper leather Timberland PRO 24/7 comfort system to reduce foot fatigue Oil and slip resistant Thermoplastic Urethane (TPU) outsole with MaxTRAX tread for superior slip resistance Steel toe ASTM F2413-18 M/ I/ C EH compliant Waterproof upper leather. Breathable and moisture wicking lining. Seam sealed waterproof construction. 200 grams insulation. Breathable, open cell PU footbed. PU midsole. Oil and slip resistant SR Max MaxTRAX TPU outsole. Direct attached construction. Steel toe. EH. WP/Insulated. ASTM F2413-18 M/ I/ C EH compliant.