Construction: Goodyear Welt. Insulation: 1000 Grams of Thinsulate Ultra Insulation. Lining: Combat Superknit with ScentMask. Insole: Single-Density Polyurethane. Midsole: Rubber. Outsole: Vibram Little Horn with Reinforced Tip Stitch. Special Features: WATERPROOF, Breathable Construction. 3M Scotchgard Protector. Boot Height: Approx. 10'' Tall.