These Irish Setter® Crosby Men's 6in. Waterproof Nano Composite Safety Toe EH Work Boots have the latest in safety toe technology. These trend-right safety toe boots deliver lighter weight, with comfort and performance right out of the box. Ultra-lightweight with low thermo conductivity and a thinner wall design, this toe is corrosion resistant and very strong, meeting the ASTM F2413-11 M I/75 C/75 EH rating. This Crosby 6in. has a full-grain waterproof leather upper with UltraDry waterproofing, an Armatec abrasion-resistant toe and a CuShin tongue. The non-metallic shank provides underfoot support and helps keep the Crosby both lightweight and ultra-comfortable. Stable-flex construction with strategically placed, high-rebound EnerG material delivers responsive performance and lasting underfoot support. The Diamond Tred rubber outsole is nonmarking and abrasion, gas/oil, chemical and slip resistant. This Heat Resistant Outsole (HRO) is designed and tested to perform on high-heat surfaces.