This U.S. Marine Corps Certified steel toe boot proudly displays the EGA emblem and is as tough as the Marines who wear it. Built on the VANGUARDA(R) premium cushioning sole system platform with an upper made of only the finest quality full grain cowhide leather, the 550 ST will provide your feet with ultimate support and comfort. Belleville hot weather boots run about 1 full size larger than your running shoe size. For example, if you wear a size 10, consider wearing a size 9. VANGUARD running shoe sole construction Steel toe meets ASTM F2412-11 and F2413-11 standards for impact & Compression and EH rated Certification #150M22-000460-6-01 Specifications Height: 8" (Standard Military Height) Upper: 100% cattlehide leather & nylon fabric Midsole: Highly cushioned, shock absorbent midsole Outsole: 100% rubber VIBRAM Sierra Insole: Single density molded removable insert