The Forty Below Bottle Boot provides insulation for bottles in cold environments to help keep drinks from freezing or to help keep drinks cool in warm environments.
- Insulated Bottle Cover.
- Fits most Pint/16oz/0.5 Liter size water bottles, like our favorite 'Alpine Cup,' the Nalgene Lexan 0.5 liter bottle.
- Helps keep liquids from freezing in cold conditions.
- Helps Keep liquids cool in warm conditions.
- Low Profile Design.
- Closed Cell Neoprene foam insulation.
- No zippers to break or freeze.
- Webbing belt loop.
- Velcro front closure