Why not choose the Columbia Minx Mid women's calf shearling boot to kill cold weather This women's boot is crafted with a waterproof nylon upper with faux fur and Omni-Heat insulation and lining that reflects natural body heat for added warmth. Waterproof/breathable membrane provides comfort and dry environment. Abrasion resistant synthetic mudguard offers durability. Side ziper is for easy on/off access. Be warm and cozy in the Columbia Minx Mid.