The 500 Revolutionized Military Footwear When It Was First Introduced Using The Vanguard Premium Cushioning Sole System. Ideal For Cooler And Wetter Conditions, The 500 Is A Supportive And Reliable Boot That Features A Gore-Tex Waterproof Bootie To Keep Your Feet Dry And Comfortable. Boot Features 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 Special Features Vanguard Running Shoe Sole Construction Durably Waterproof And Highly Breathable Gore-Tex Fabric Certification #150M22-000541-6-49