The Ergo-Fit steel toe cap on the Georgia Boot Men's Core 37 Western 11" Steel Toe Waterproof Pull-On Work Boots is designed to match the contours of your foot for a better range of motion, meeting ASTM F2413 impact and compression standards for protective toe footwear. A fiberglass shank adds support, and the outsole resists heat, chemical, abrasion, and slips.