Feel the biting wind whip, knowing your critical hydration remains perfectly insulated within the Forty Below Bottle Boot 32oz/1 Liter. Engineered from dense closed-cell foam, this essential gear shields your liquid supply from the harshest freeze, whether you're breaking trail through high alpine snowfields or settling into a remote winter camp. Its robust, two-piece construction, meticulously stitched and featuring a high-quality Velcro strap, allows for quick, fuss-free access to your drink, while the integrated loop offers versatile attachment to your pack or harness. The reinforced, glued-in bottom adds another layer of thermal defense and resists abrasion, ensuring your 32oz or 1-liter bottle—be it a trusty Nalgene or insulated flask—stays secure and protected from impacts. Hydration in the cold is non-negotiable, and Forty Below delivers the confidence to go further. 
 
PRODUCT CONDITION
 
This UnNew Forty Below Bottle Boot 32oz/1 Liter is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

-scuffing and dirt

-spots of red discoloration on interior 



TECH SPECS

• Fits most 1 Liter/32oz. quart size water bottles, such as Nalgene, German made Cold Weather bottle (Hunersdorf/KJS), Gatorade, Powerade, and others.
• Easy to use with mittens or gloves
• Helps keep liquids from freezing in cold conditions
• Helps keep liquids cool in warm conditions too!
• Low Profile Design
• Thick 6.5mm Closed Cell Neoprene foam insulation completely around the bottle
• Does not absorb water
• No zippers to break or freeze
• Webbing belt loop
• Velcro front closure with Grab-Tab
• Easy to hold onto with gloves or mittens on
• Insulation: 1/4″ (6.5mm) thick stretchy nylon covered closed cell foam (wetsuit type material). Same thickness completely around the bottle.
• Size: Fits most 1 Liter/Quart size water bottles, such as Nalgene 32 oz. wide and narrow mouth, Hunersdorf 1000ml, Gatoraide 32 oz., etc.
• Fits: Bottles up to 3 3/4 inches in diameter and 8 1/2 inches tall. Stretchy material so it can flex with different shapes of bottles.
• Weight: 3.7 oz (104g)
• Handmade in China