Utilizing Advancements In Premium Comfort Technology Allowed Us To Make This Protective Steel Toe, Hot Weather Boot Like Your Favorite Running Shoe. With An Upper Constructed Of Durable Flesh-Side Out Cattlehide Leather And Abrasion Resistant 1000 Denier Nylon, The 600 St Is Not Only Tough But Comfortable Too. 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 Steel Toe Meets Astm F2412-11 And F2413-11 Standards For Impact & Compression And Eh Rated