Designed for comfort + protection in cold conditions, this 8" waterproof work boot offers air-infused midsole cushioning and lightweight synthetic insulation. American Built Carbon-Fiber Toe KEEN.DRY KEEN.WARM LuftCell EH-Rated Oil- And Slip-Resistant KEEN.FUSION 90° Heel (5/8'') FEATURES -KEEN.DRY waterproof, breathable membrane -Heat-resistant rubber outsole rated up to 572°F/300°C -Assembled in the USA using the finest materials from around the world. -600g of KEEN.WARM insulation for extra warmth in colder environments -KEEN.FUSION construction fuses the upper to the sole for a longer-lasting bond without glues or solvents. -KonnectFit heel-capture system for a locked-in feel -Shank for midfoot support -Environmentally preferred premium leather from LWG-certified tannery for cleaner water -PFAS-free, durable water repellent repels water just as well as forever chemicals without harming the planet -KEEN Luftcell midsole infused with 100,000 microscopic air bubbles per cubic centimeter for all-day comfort -Oil- and slip-resistant non-marking rubber outsole -Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear helps provide a secondary source of protection in case of accidental outsole contact with live electrical circuits -Waterproof leather upper -Removable metatomical insole for comfort and support -Locking metal lace hooks -Metal Hardware