Boot Height: Approx. 8'' Tall. Construction: Cement. Insulation: 600 Grams of Thinsulate Ultra Insulation. Insole: Contoured EVA, Removable. Midsole: Polyurethane. Outsole: Ultra Flexible Rubber Bob Sole. Special Features: Waterproof, Breathable Construction. Reinforced Toe and Heel Guard.