Slip Resistant: Superior SFC slip-resistant outsole design features perimeter channels to help expel liquids and enhance traction. Easy Clean: Superior SFC slip-resistant outsole with our patented clog resistance built in. Safety: Guard your safety with a liquid-resistant boot you can depend on to get the toughest jobs done. Meets ASTM F2413-18 (I75/C75, Electrical Hazard Protection-EH) Liquid Resistant: Its liquid-resistant protection is augmented by a "drop-in" comfort insole that acts much like a midsole, providing extra cushioning right beneath the heel. All Your Footwear Needs: Shoes For Crews offers premium quality footwear including athletic shoes, work boots, clogs, dress shoes, casual wear, and overshoes along with socks and insoles.Rubber sole With a shaft height of 16", the Sentry Pro features a unique blend of PVC and nitrile rubber for enhanced durability and shaft flexibility. Its liquid-resistant protection is augmented by a "drop-in" comfort insole that acts much like a midsole, providing extra cushioning right beneath the heel. Its slip-resistant outsole design features perimeter channels to help expel liquids and enhance traction. Guard your safety with a liquid-resistant boot you can depend on to get the toughest jobs done. Meets ASTM F2413-18 (I75/C75, Electrical Hazard Protection-EH)