Highlights
BEST USE: Travel and Backpacking
WEIGHT: 11.6 oz | 328 g
LENGTH: 7 ft 2 in | 225 cm
PACKED SIZE: 6 x 4.5 in | 15 x 11.5 cm
Shipping & Returns
Our warehouse is actively shipping orders from 8am to 1pm MST Monday through Friday. Most orders ship in one business day, but the transit time can take up to 7 days, depending on your distance from Boulder, Colorado.
2nd Day and Next Day Air orders will ship same day if placed by 1pm MST, Monday-Friday (except holidays).
All orders are eligible for fast and easy returns within 60 days of purchase.
For more details, please check out our Help Center
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Description
The Adaptor COOLMAX® sleeping bag liner will help you adapt to varying temperatures and humidity. The washable, knitted COOLMAX® fabric wicks moisture away from your skin, which helps keep you comfortable as temperatures rise and humidity increases, guaranteeing a great night’s sleep. The COOLMAX® Adaptor liner is ideal for use on its own in warm, humid climates, or as a liner inside your sleeping bag as you transition across seasons, and it's great for keeping your sleeping bag clean and hygienic. It's also available in an Insect Shield® version for extra protection in buggy environments.

Design Details
Tech specs
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Best UseWarm Weather Backpacking & Camping
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Comes WithUltra-Sil stuff sack
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Material(s)CoolMax polyester
Traveller |
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Frequently Asked questions
Is this sleeping bag liner machine-washable?
Yes! The Adaptor sleeping bag liner can be washed in a machine with normal supermarket laundry detergent; however, just avoid fabric softeners as they will reduce the wicking performance of the fabric. You can also dry in a dryer on cool or low heat, or simply air-dry.
Does this sleeping bag liner keep you cool while you sleep?
This sleeping bag liner features innovative COOLMAX® fabric that wicks moisture effectively. While this doesn't actively lower temperatures, it prevents you feeling sweaty and uncomfortable when sleeping in humid conditions.
Does the Insect Shield sleeping bag liner protect against bed bugs?
The Insect Shield-treated Adaptor sleeping bag liner is not FDA-certified as protection against bed bugs. You can find details of insects it will protect against at insectshield.com.
Is this sleeping bag liner good for backpacking?
Yes! The mummy sleeping bag liner weighs less than 9oz and extends the comfortable temperature range of your sleep system significantly, making it a great addition to your pack. The Traveller version is designed for more conventional travel.