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.
Features
- 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