Forty Below Bottle Boot
24 oz. size


Available in stock

Quick Overview

The Forty Below® Bottle Boot™ 24oz size is an insulating water bottle cover that helps keep water from freezing, especially in extreme cold environments.

Please see below for additional information and specifications.




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The Forty Below® Bottle Boot™ 24oz size, is a very insulated bottle cover to help keep water from freezing, especially in extreme cold environments.  

Used on expeditions worldwide for over 3 decades.  This insulated bottle cover is a unique design that enables the user to easily open with mittens or gloves, with easy access to the bottle, and no zippers to break or freeze.  The insulation is thick, at 6.5mm completely around, on top, and bottom of the bottle for maximum coverage and insulation.

Key Features Forty Below® Bottle Boot™ 24oz Size:

Fits most 16-24 oz size bottles.
Helps keep liquids from freezing in cold conditions.
Helps keep liquids cool in warm conditions.
Low Profile Design.
Thick 6.5mm Closed Cell Neoprene foam insulation.
No zippers to break or freeze.
Webbing belt loop.
Velcro front closure.


Image of forty below bottle boot on hip belt
Forty Below Bottle Boot on hip belt.

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Forty Below Bottle Boot 24oz Size:

Insulation:  1/4″ (6.5mm) thick stretchy nylon covered closed cell foam (wetsuit type material).  Same thickness completely around the bottle.

Size: Fits a wide range of bottles from 16oz vacuum to 24oz (.75L)  size water bottles.

Wide range of slender bottles such as: 16oz vacuum bottles (GSI, REI , etc) , Liberty 32 oz bottle, Hydoflask 24oz,  Kleen Kanteen.  Made of stretchy materials so it can flex with different shapes of bottles.

Color: Black

Weight: 4.5 oz (126g)

Additional information

Weight .4 lbs