DESC: Free Overnight Shipping - Lightweight workboot features the Powerfit comfort system:; Premium full grain leather for comfort. Polyurethane midsole with high-rebound heel insert provides durable cushioning and energy return. Electrical Hazard Protection meet ANSI Z41PT99, ASTM F2412-05 and ASTM F2413-05 standards to provide protection from open circuits. Nylon diffusion shank for torsial rigidity. Anti-microbial contoured open cell polyurethane footbed provides durbale, resiliant cushioning while molded heel cup cradles the heel. Outlast Adaptive Comfort footbed cover regulates temperature. Slip-resistant, oil-resistant and abrasion-resistant rubber dual density outsole. Hiking Shoes, Work Shoes, Boots.