Waterproof upper leather. Breathable and moisture wicking lining with odor control. Seam sealed waterproof construction. 200 grams insulation. Breathable, single density, open cell PU footbed. PU midsole. Oil, slip and abrasion resistant TPU outsole with SR Max MaxTRAX patented slip resistant tread design. Direct attached construction. Steel toe. EH. WP/Insulated. ASTM F2413-18 F/ I/ C EH compliant. Timberland PRO 24/7 Comfort System.