Full-grain leather and 1000 D High abrasion Nylon. Shaft measures approximately 8'' from arch. Full-Grain leather upper with 1000 denier high abrasion textile upper. 800 Gram Thinsulate Ultra Insulation.Dual EVA Comfort layers-Lightweight,comfortable.Ride Rocker heel-Mobile,good traction. Guaranteed Rocky Waterproof construction. Rocky Ride outsole-Provides oil, slip resistance/adds mobility. Padded collar and tongue.Removable Dual-Density TPE footbed-Arch stable,Airflow,Shock-absording,Flexible.