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.