This winter boot is designed to take comfort, warmth and packability to a new level. Constructed from a waterproof, breathable nylon shell it features a drawstring and toggle snow collar at the ankle to keep the elements out. Inside, a high-loft synthetic insulation, soft Thermaplush lining and removable insole work together to deliver warmth, comfort and cushioning. A reinforced hex toe cap provides enhanced protection against the elements and terrain. A hex-designed AirGrip and Polar Rubber outsole ensure exceptional grip and traction in the great outdoors. This boot packs easily for storage and travel. Shaft height: 7.5 inches (from arch). Temperature Rating: From 10ºC/50ºF to -30ºC/-22ºF.