These Irish Setter Crosby Men's 11in. Waterproof Pull-On Nano Carbon Composite Toe EH Work Boots have the latest in safety toe technology. These lightweight, trend-right safety boots provide comfort and performance right out of the box. The Nano Carbon Composite safety toe is ultra-light weight and has low thermo conductivity and a thinner wall design. It is resistant to corrosion and very strong, meeting the ASTM F2413-11 M I/75 C/75 EH rating. This boot features a full-grain waterproof leather upper with UltraDry waterproofing, an Armatec abrasion-resistant toe and a CuShin top backstay collar. The non-metallic shank provides underfoot support and helps keep the Crosby both lightweight and ultra-comfortable. StableFex construction with strategically placed, high-rebound EnerG material delivers responsive performance and lasting underfoot support. The nonmarking Diamond Tred rubber outsole sole is abrasion, gas/oil, chemical and slip resistant. This Heat Resistant Outsole (HRO) is designed and tested to perform on high-heat surfaces.