Belleville Men&#39;s Hot Weather Steel Toe Flight Boot,Belleville" /> Leather Vibram sole Shaft measures approximately Mid-Calf" from arch U.S. MARINE CORPS FLIGHT APPROVED VANGUARD Running Shoe Sole Construction Upper Material Tan Leather / NOMEX Blended Flame Resistant Fabric Lining X-STATIC Anti-Microbial, Odor Reducing Lining Steel Toe - Meets ASTM F2412-05 and F2413-05 Standards