Keen Utility CSA Camden 8" Insulated (600g) Boot in Dark Earth/Black. FEATURES Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN.DRY waterproof, breathable membrane ASTM/CSA-certified, non-metallic, flexible woven-textile puncture resistant midsole plate for underfoot protection Nylon shank for midfoot support 90° heel (5/8 Height) provides stability and helps catch or lock the foot in place Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection in case accidentally coming into contact with live electrical circuits Environmentally preferred premium leather from LWG-Certified Tannery PFC-Free, durable water repellent MATERIALS Full-grain barnyard resistant waterproof leather helps resist the damaging effects of oleic acid, urea, sodium chloride, and ammonium hydroxide Dual purpose metal lace hooks Mesh liner provides breathability to help keep feet cool in warm environments Removable, dual-density PolyAer PU footbed with aerated pillow-top cushioning KEEN Luftcell: Air-infused, PU midsole for weightless comfort Oil- and slip-resistant non-marking rubber outsole Style no. 1028289