$33.95

The Forty Below® Bottle Boot™ .5 liter/16oz size is the easy to use and effective insulating bottle cover that help slow down the water from freezing quickly, especially in extreme cold environments.

Please see below for more information and specifications.

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The Forty Below® Bottle Boot™ .5 liter/16oz size is the easy to use and effective insulating bottle cover that help slow down the water from freezing quickly, especially in extreme cold environments.

We have been making Bottle Boots™ now for over 40 years! They have been used and trusted and on just about every type of outdoor trip, from winter day hikes to extreme cold and high altitude expeditions worldwide! This very insulating water bottle cover, is specifically designed to help keep water from freezing, and easy hold onto and open and close with gloves or mittens on. The low profile, non bulky design takes up less room in your pack, and less bulk when on a backpack hip-belt, sternum strap, or jacket chest pocket.

Key Features

  • Thick Insulated Bottle Cover
  • Fits most .5 Liter/16 ounce size water bottles (Nalgene, German, etc)
  • 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 nylon covered insulation
  • Does not absorb water
  • No zippers to break or freeze
  • Webbing belt loop
  • Velcro front closure
  • HANDMADE IN China

Forty Below® Bottle Boot™ Sizes

Get some Forty Below® Bottle Boots™ and see how this outstanding product can help you stay better hydrated and more comfortable in the outdoors!

To find out more about our complete line of insulated bottle covers, as well as more information about helping to keep liquids in extreme places, please see our All About Bottle Covers Section.

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Product Specs

  • Insulation:  1/4″ (6.5mm) thick stretchy nylon covered closed cell foam (wetsuit type material).  Same thickness completely around the bottle.
  • Fits: most 16 ounce/ 500ml/ .5L water bottles.
  • Fits a bottle up to 3 inches in diameter, and 7 inches tall.  Stretchy material so it can flex with different shapes of bottles.
  • Weight: 3oz (84g)
  • Colors: Black, Royal Blue, Red, Yellow, Green, Pink.
  • HANDMADE in China

Featured Review

The ROBONZA All About Mountain Gear Blog reviews the Forty Below® Bottle Boot™ .5 liter/16oz :

See the Review

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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