Designed in the harsh Alaskan Arctic, the BootGlove provides a protecting layer of insulating neoprene for your ski boots to reduce wind chill and prevent loss of body heat in extreme winter conditions. Overall, the BootGlove retains an average of +20 degF/7 degC in your boot "s toe box, conserving heat loss where it "s most important...YOUR FEET! 4.5 Mil N2s Neoprene Outer Shell Adjustable Velcro Heel Strap Side Abrasion Patches Wind and Water Proof Adhesive Thermal Reflective Strips Adhere to Boot Liner for Added Insulation DryGuy Boot Glove (Large) | Black | Christy Sports