The Sierra platform has maximum durability for the harshest conditions. It’s the best choice for high heat and high abrasion occupations like welding and railroad. Height: 10\\\" Waterproof Pro construction with waterproof full-grain leather upper Three-row stitch with additional, heavy decorative stitch design Goodyear welt construction Heavy duty oil and slip resistant Duratread outsole Mesh lining High heat resistant outsole 90 degree heel Safety toe ASTM F2413-11 M I/75 C/75 EH rated