Goodyear Welt Construction. Vibram Outsole. Steel Shank. Milled Brass Hooks and Studs set with Stainless Steel Washers. Forest Green Soft, High Abrasion, Wicking Nylon Lining. Insulated with 400 grams of Thinsulate Ultra Insulation. Non-Removable Stainless Steel Puncture Resistant Full Sole Plate. 'Diamond in the Rough' Rubber Toe and Heel Guard. Flexible Internal Metatarsal Guard that meets the ASTM M I75 / C75 Requirements. Safety Toe ASTM I75 / C75. Removable John Deere Air Flow Comfort Orthotic System Insert. Boot Height: Approx. 9'' Tall.