The Ergo-Fit alloy toe cap on the Georgia Boot Men's Carbo-Tec FLX Alloy Toe Waterproof Chelsea Work Boots allows for a better range of motion by matching the shape of your foot, meeting ASTM F2413 electrical hazard and protective toe standards. The Georgia Waterproof System is guaranteed to defend against water, while the Carbo-Tec outsole resists oil, slip, abrasion, chemical, and heat.