Keen Utility CSA Workboot Philadelphia Wellington in Cascade Brown/Black. Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN.DRY waterproof, breathable membrane Electrical hazard (EH) rated - providing a secondary source of protection in case of accidental outsole contact with live electrical circuits Heat resistant, rubber outsole rated up to 572° F / 300° C ASTM/CSA-certified, non-metallic, flexible woven-textile puncture resistant midsole plate for underfoot protection 90° heel (5/8" Height) provides stability and helps "catch or lock" the foot in place Nylon shank for midfoot support Full-grain Barnyard Resistant waterproof leather helps resist the damaging effects of oleic acid, urea, sodium chloride, and ammonium hydroxide 3/4 Goodyear welt construction for enhanced durability and flexibility under extreme working conditions Full-grain waterproof leather upper - Barnyard Resistant Oil- and slip-resistant non-marking rubber outsole KEEN Luftcell: Air-infused, PU midsole for weightless comfort Mesh and moisture-wicking textile lining Removable, dual-density PolyAer PU footbed with aerated pillow-top cushioning Style: 1024217