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Forty Below® Bottle Boot™ 1 Liter

№ 40591 / Backpacking Water

Feathered Friends · Seattle, WA

Forty Below® Bottle Boot™ 1 Liter

$34.95
Spec sheet IndieOut registry
Maker
Feathered Friends
Made in
Seattle, WA
Type
Backpacking Water
Availability
In stock at maker
Indexed
Apr 10, 2026
Last verified
Apr 10, 2026
Fulfilled by
Feathered Friends — direct

Made in Seattle, WA by an indie down & rain gear maker. Premium down sleeping bags and jackets made in Seattle since 1972.

Buy from Feathered Friends

Sold by Feathered Friends. IndieOut is a directory; checkout, shipping, and support happen on the maker's site.

Details

This Forty Below® Bottle Boot™  is a 1-Liter insulated water bottle cover designed to help keep water from freezing, and has been extremely popular for use on extreme cold weather trips and expeditions around the world for over 40 years. This is the most popular and versatile size and shape available, since it will fit the most commonly used Nalgene® 1-Liter and 32 oz quart size water bottles. The closure uses no zippers that might break or freeze, and is designed to be opened easily while wearing mittens or gloves. Available in assorted colors. Details 6.5 mm Closed Cell Foam Neoprene foam...