This tall winter boot is designed with cold-weather construction. It features a waterproof nylon upper enhanced with AquaProtect® seal, a type of seam-sealed construction for superior protection against water infiltration and the harmful effects of calcium/salt for enhanced durability. A round toe provides roomy comfort while dual full-length zipper closures ensure an easy on-and-off. The interior is lined in soft pile and 200 gram Thinsulate™ for air circulation and enhanced warmth. A removable multi-layer insole with superior insulation provides all-day comfort. A durable rubber outsole delivers secure grip and traction. Heel height: 1.6 inches. Shaft height: 11.4 inches. Calf Circumference: 14 inches. Temperature rating: -31C