Arctic Shield Boot Insulators 665398-523080404018 Add an extra level of heat to your boots with the Arctic Shield Boot Insulators. These Arctic Shield boot covers feature a polyester outer shell and liner that help to add an extra level of insulation to your boots for those extra cold hunts. The easy open YKK locking zipper offers super easy on-and-off transitions as you both prepare for your hunt and remove your gear back at home. These Arctic shield boot covers also fold into your pocket or backpack for easy transportation without taking up too much space. Plus, the polyester outer shell is windproof, water resistant, lightweight, and packable. Upgrade your boots with the Arctic Shield Boot Insulators for warmer feet on your next hunt. Features Polyester outershell and liner Adjustable drawcord Windproof, Water resistant, lightweight, packable Roll up to fit in your pocket or backpack Retain heat retention technology Easy open YKK locking zipper Arctic Shield Boot Insulators