Boot Height: Approx. 9'' Tall. Construction: Goodyear Welt. Insulation: 200 Grams of Thinsulate Insulation. Insole: Removable Single-Density Polyurethane. Midsole: EVA with Gel Heel Insert. Outsole: GEN-flex All-Season Sole. Special Features: Waterproof, Breathable Construction. 3M Scotchgard Protector.