Perfect for cool and wet conditions, the all leather 880 ST steel toe boot features 200G Thinsulate insulation and a Gore-tex waterproof bootie which allows your feet to stay warm, dry and comfortable. Another special feature is the Vibram FIRE & ICE Chevron outsole that minimizes FOD and provides better traction in icy conditions. Belleville Gore-Tex boots run about 1/2 size larger than your running shoe size. For example, if you wear a size 10, consider trying a size 9.5. VANGUARD running shoe sole construction Steel toe meets ASTM F2412-11 and F2413-11 standards for impact & compression and EH rated Durably waterproof and highly breathable GORE-TEX fabric 200g THINSULATE Insulation Specifications Height: 8" (Standard Military Height) Upper: Smooth, 100% cattle hide leather Midsole: Highly cushioned, shock absorbent midsole Outsole: 100% rubber VIBRAM Chevron FIRE & ICE to minimize FOD and improve traction in icy conditions Insole: Single density molded removable insert