The 40 Below Cold Weather Expedition Bottle ™ in the .5 Liter (500ml)/16 oz. size. A favorite for high altitude and extreme cold expeditions for several decades. Fits perfectly in the Forty Below® Bottle Boot™ . 5 Liter/16oz. size.
Please see below for additional information and specifications.


The 40 Below Cold Weather Expedition Bottles™ are THE trusted water bottles for extreme cold environments.  Preferred (and even required by some guides) by experienced cold weather climbers and explorers. The lid has large ribs on the outside so it is easy to open with mittens or gloves the cold Because of the slightly flexible PE material, and design of the lid, they don’t have the tendency to crack in the cold as others do.

This size bottle with our .5L size/16oz. Bottle Boot™ fits nicely in the chest pocket of jackets, and on sternum strap of backpack for easy access.

These bottles also weigh less than many other expedition grade bottles. The bottles can handle warm liquids from melting snow to water.

(Formerly known as the Hunersdorf bottle.)  Made in Germany.

They fit perfectly in the Forty Below® .5L size Bottle Boots™  Here is a link to them in our website:  https://40below.com/product/forty-below-insulated-bottle-cover-for-16-ounce-water-bottle/

4 sizes available:
500ml (.5L)/(160z./pint)
1000ml (1 Liter/1 quart)
1500ml (1.5 Liter/1.5 quart)
2000ml ( 2 liter/2 quart)


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Cold Weather Expedition water bottle .5 Liter size:

SIZE: .5 Liter “500ml” (approx. 16 fl. oz)

MEASUREMENTS: Diameter: 2 7/8″  Height: 6″

WEIGHT: 2.2 oz (62g)

COLOR: transparent/clear


Made in Germany

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