Belleville's most highly recognized boot, the ICONIC 390 DES revolutionized military footwear when it was first introduced using the VANGUARD premium cushioning sole system. This classic boot was able to be constructed with more of an athletic feel through the utilization of advancements in premium comfort technology. Still a top seller, the 390 DES has proven that good things are really built to last. 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 AR 670-1 Compliant 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