SOFT TOE: Left and right asymmetrical KEEN.PROTECT soft toe caps help safeguard against minor impact, but are not reinforced with a secondary crush resistance material; These work boots meet or exceed ASTM F2892 EH standards WATERPROOF: KEEN.DRY is a waterproof, breathable membrane that lets vapor out without letting water in for keeping your feet dry and comfortable; The San Jose 6” soft toe waterproof work boots have a mesh liner that integrates with the waterproof membrane TRACTION: Oil- and slip-resistant, non-marking, rubber outsoles; Made with wedge tread, and siped outsole that helps provide traction on slick, flat terrain with limited debris buildup; Meets ASTM F1677 Mark II and ASTM F2913 SATRA non-slip standards SUPPORT: Made with a nylon shank for midfoot support, and superior torsion stability and a shellback heel support for locking your foot in place; Electrical Hazard (EH) rated to provide a secondary source of protection from live electrical circuits COMFORT: These boots come with KEEN Luftcell air-infused midsoles for weightless comfort; Moisture-wicking textiles keep feet dry and natural technology breaks down the odor in sweat