Designed with advanced Omni-Heat technology, this flexible, ultra-light evolution of the Bugaboot is like wrapping your feet in a waterproof space blanket. The ultra-slim Techlite shell adds protection in critical areas without sacrificing nimble-footed mobility on snowy terrain. Made of rugged ballistic waterproof mesh, the upper features protective Thermoplastic support panels for added stability in deep-snow conditions, while Omni-Heat technology reflects natural body heat back into the boot. A Thinsulate lining with additional underfoot insulation adds even more warmth, keeping feet comfortable all the way down to -25º below zero. Completing this high-performance package is an Omni-Grip outsole with lugged traction patterns for outstanding grip in any winter wonderland. FEATURES: Waterproof ballistic mesh upper, Protective Thermoplastic support panels, Omni-Heat technology reflects body heat for added warmth, 200g Thinsulate with added underfoot insulation, Contour Comfort 1D footbed with AgION anti-odor treatment provides cushioned comfort and support, Zonal Techlite lightweight shell provides warmth and moisture control in critical areas around the foot, Omni-Grip outsole with lugged traction pattern, Weight: Size 9, 1/2 pair=1lb. 6oz/635g, Imported,