• Forty Below 1 L Insulated Bottle Cover Red front view with white logo white background
  • Forty Below 1 L Insulated Bottle Cover Green back view with black webbing belt loop white background
  • Forty Below 1 L Insulated Bottle Cover Assorted Colors front view with white logo white background
  • two Forty Below 1 L Insulated Bottle Covers one blue and one red, partially open holding Forty Below Cold Weather Water Bottle bottle and nalgene bottle on a white background.
  • red Forty Below 1 L Insulated Bottle Cover on hip belt front view
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Forty Below® Bottle Boot™ 32oz/1 Liter

Forty Below® Bottle Boot™ 32oz/1 Liter

$34.95 USD
$34.95 USD
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Color: Red
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The Forty Below® Bottle Boot™ is an insulating bottle cover designed to slow the freezing of water bottles in extremely cold environments.

The 32 oz/1 Liter size fits the Nalgene 32oz bottle, the 1 Liter 40 Below Cold Weather Water Bottle, and many others of a similar size.

Trusted for over 40 years, our bottle covers have been used worldwide on just about every type of outdoor trip, from winter day hikes to extremely cold, high altitude expeditions.

  • Key Features

    • Fits most 1 Liter/32oz. quart size water bottles, such as Nalgene, German made Cold Weather bottle (Hunersdorf/KJS), Gatorade, Powerade, and others.
    • Significantly slows down liquids from freezing in cold conditions
    • Also keeps liquids cool in warm conditions!
    • Velcro front closure with Grab-Tab - Easy to use with mittens or gloves
    • No zippers to break or freeze
    • Low Profile Design, packs small
    • Does not absorb water
    • Webbing belt loop

  • Product Specs

    • Insulation: 1/4″ (6.5mm) thick stretchy nylon covered closed cell foam (wetsuit type material). Uniform thickness.
    • Size: Fits most 1 Liter/Quart size water bottles, such as 40 Below 1 L Bottle, Nalgene 32 oz. wide and narrow mouth, Hunersdorf 1000ml, Gatorade 32 oz., etc.
    • Fits: Bottles up to 3 3/4 inches in diameter and 8 1/2 inches tall. Stretchy material allows for some flexibility with different shapes of bottles.
    • Colors: Black, Blue, Red, Yellow, Pink, Green, Purple, Desert Tan.
    • Weight: 3.7 oz (104g)
    • Handmade in China

The Bottle Boot™ name is a declared and used Trademark of Forty Below Ltd and is an original product and name that we invented, designed, manufacture, sell, and has been used around the world by us since 1980. Any use of the name: “Bottle Boot”, “Bottle Boots”, the design of the product, or trade dress is prohibited.

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