The Ariat Groundbreaker work boot delivers versatile traction and comfort. Waterproof ProTM construction with waterproof full-grain leather foot. Extra comfort insole with higher rebound mesh lining and a 90 degree heel. Oil and slip resisting Duratread outsole. Steel toe rated ASTM F2413-11 M I/75 C/75 EH. Ariat Men's Groundbreaker Dark Brown Waterproof Round Steel Toe Chelsea Work Boot