Tactical Research Belleville TR336 Guardian Zip Lightweight Desert Tan Composite Toe Boot, 6W Leather Rubber sole Rough-side out cowhide leather and nylon fabric upper with YKK side-zip coil zipper with auto lock slider Smooth, shock, absorbent EVA midsole TR-1 load bearing orthotic insole Rugged, long-wearing outsole is oil and slip resistant Spacious, non-metallic composite toe is lighter weight than traditional steel toe and does not conduct heat or cold.