Columbia Heavenly Omni-Heat Knit Boots Womens Synthetic Imported Faux-fur collar lining is soft and stylish Omni-Tech waterproof breathable seam-sealed membrane bootie keeps feet dry 200g insulation provides warmth in your outdoor adventures, rated to-25 F / -32 C Omni-Heat reflective lining helps regulate body heat The Omni-Grip non-marking traction rubber will keep you on your feet