Columbia Women's BL1167 Cascadian Snowchill Boot,Fossil/Jet,7.5 M 100% Water Resistant Suede Thermolite lined, temperature rated to -25 degrees Fahrenheit Seam-sealed waterproof construction ThermaShield Frost Plug reflects heat back towards the foot. Zip front entry for easy on and off One piece injection molded Thermo Plastic Rubber keeps feet dry