Leather, 900 Denier Nylon and Rubber. Shaft measures approximately 8'' from arch. Heavy Duty Full-Grain leather and 900 Denier Nylon. Goodyear Welt Construciton.Gor-Tex fabric-Durable Waterproof, breathable. Vibram lightweight, flexible slip,oil resistant outsole. Vibram abrasion-resistant toe and heel guard. 800 Gram Thinsulate Ultra Insulatation Construction.