Keep the warmth in and the snow out in the Blizzard Work Boot. From Propet. Zipper closure, rounded toe, waterproof, puncture resistant insole, heat-retaining insole system for extra insulation and cushion, EVA midsole, molded rubber toe, high traction self-cleaning outsole, removable footbed, Thinsulate lining for extra warmth Approximate measurements: Heel 2"H; Shaft 7"H; Circumference 13" Measurements were taken using a Medium size 9; measurements may vary depending on size Leather upper; rubber outsole Imported Propet Men's Work Boot - Blizzard Work