CA5021 Carolina Men's Waterproof Insulated Broad Toe 6" Soft Toe Work Boot. Got Toe Room? This shoe does! Built with extra room upfront and a perfect fitting last, this super comfortable boot is one of our best sellers. The Carolina CA5021 features a gaucho crazy horse leather upper, 100% Waterproof membrane, 400 grams of thinsulate insulation, removable AG7 polyurethane footbed, pillow cusion insole, EVA midsole for lightweight cushion and support, plus a slip and oil resistant rubber outsole.