Heel Height: Approx. 6'' Tall. Upper: Boulder WATERPROOF Leather. Construction: Direct Injection. Insulation: B-400 Thinsulate Ultra Insulation. Lining: Comfort Weave. Insole: Super Comfort Polyurethane Removable Footbed. Midsole: Polyurethane. Outsole: SoftStreets Dual Density Polyurethane. Special Features: US Postal Certified. Seam Sealed WATERPROOF Construction. Made in USA.