Designed after Belleville's most highly recognized boot, the iconic 390 DES, the 390 TROP is a hot weather boot that fits like your favorite running shoe. With an upper constructed of durable full-grain cowhide leather and abrasion resistant nylon, the 390 TROP is not only tough but highly breathable too. 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 Specifications Height: 8" (Standard Military Height) Upper: Smooth, full-grain leather & nylon fabric Midsole: Highly cushioned, shock absorbent midsole Outsole: 100% rubber VIBRAM Sierra Insole: Single density molded removable insert