Online: www.REI.com
URL for this product:

From the U.S. and Canada — Call 1-800-426-4840
Mon. through Sun., 4 a.m. through 11 p.m. PT.
International — Call 1-253-891-2500
Mon. through Sun., 4 a.m. through 11 p.m. PT. English language only.

Sea to Summit CoolMax Adaptor Liner - Mummy

$47.95

(3)

Item # 797111

REI Members get back an estimated $ 4.80 on this item as part of their annual member refund.

The REI Member Dividend

The REI dividend is a unique benefit of membership in the REI co-op. It's comprised of your member refund—typically 10% back on eligible purchases—and/or your REI Visa® card rebates.

Each March, active REI members and REI Visa cardholders who earned a rebate receive a refund in the form of an annual dividend notice.

Only active members receive annual dividend notices. To maintain your active status as an REI member, you need to make net merchandise or shipping purchases of at least $10 per year, unless you joined that year. Member numbers are issued in one name and only that person receives the member refund. Your number can be used by others in your family, but it cannot be transferred to someone else.

Questions? Call us at 1-800-426-4840 for more about your dividend or its redemption.

Learn more

100% Satisfaction Guaranteed
Gear and Advice You Can Trust

Orders of $50 or more ship for free.
Learn more

To view videos or use the zoom feature on REI's websites, please download the latest version of Adobe Flash Player.

NOW PLAYING

This Sea to Summit CoolMax® Adapter mummy bag liner is specifically designed for use in warm or humid conditions. Its moisture management fabric adapts to a variety of temperatures and humidity.

CoolMax® polyester provides moisture-wicking, quick-drying comfort and offers the lightweight, softness of cotton
Use it as a part of your sleep system or by itself as a warm weather ultralight sleeping bag
Liner helps keep the inside of your bag clean, saving it from the wear and tear of washings
Drawcord hood with mini cordlock cinches around face to hold warmth in
Mummy shaped liner features a 3D footbox providing plenty of room for feet
The Sea to Summit CoolMax® Adapter liner comes with a lightweight Ultra-Sil™ stuff sack

Imported.

Item 797111

View all Sea to Summit products

REI Membership

REI Membership $20.00

Sea to Summit CoolMax Adaptor Liner - Mummy Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews

Sea to Summit CoolMax Adaptor Liner - Mummy

3.7

(based on 3 reviews)

67%

of respondents would recommend this to a friend.

Pros

Compact (3)
Easy to pack (3)
Lightweight (3)

Cons

Best Uses

- Was this a gift?:
- No (3)

Reviewed by 3 customers

Sort by

Displaying reviews 1-3

Jan

2013

(0 of 1 customers found this review helpful)

1.0

Not worth the money

By ChazC

from Alabama

About Me Avid Adventurer

See all my reviews

Pros

Compact
Easy to pack
Lightweight

Cons

Too thin

Best Uses

Comments about Sea to Summit CoolMax Adaptor Liner - Mummy:

Certainly not what I expected. The liner could benefit from a zipper, getting in it isn't easy...especially if you're a bigger or taller person. The material is thin and feels cheap. Personally feel it's about $30 overpriced for what you get, not worth the money and found it to be more of a hindrance. Will be returning the two I bought from REI.

Comment on this review

Dec

2012

(1 of 1 customers found this review helpful)

5.0

Perfect for sticky summer nights!

By whirlybird

from TX

About Me Casual/ Recreational

See all my reviews

Pros

Comfortable
Compact
Durable
Easy to pack
Good venting
Lightweight
Warm

Cons

Best Uses

Backcountry Camping
Campgrounds
Road Trips
Summer camping

Comments about Sea to Summit CoolMax Adaptor Liner - Mummy:

This liner worked great as a lightweight summer shell when it was too hot for a sleeping bag of any kind but I didn't want to sleep in just my clothes. Used inside a sleeping bag on cooler nights it kept me from getting sticky and sweaty - I'd usually wake up toasty warm, sometimes TOO warm, but never sticky with sweat, which was really nice.

I think it definitely adds a little bit of insulation on colder nights - I am a cold sleeper and I normally use a 15 or 20˚ down bag and tend to get chilly without extra clothes on when it is cooler than about 40˚, but we unexpectedly encountered temps into the 30's on our last camping trip and I never once woke up cold using this liner. It also packs down to about the size of a softball so there's no reason not to bring it along.

It's also more easily washable than your sleeping bag (and it even dries quickly when hand washed) and it's really nice to slip into something "clean" to sleep in after a long day of hiking when you don't have access to real laundry facilities.

Comment on this review

Jun

2011

(9 of 9 customers found this review helpful)

5.0

Summer shell or winter liner -- cool!

By jodaveki

from San Bruno, CA

About Me Casual/ Recreational

See all my reviews

Pros

Comfortable
Compact
Easy to pack
Easy to wash
Good venting
Lightweight
Quick-drying

Cons

Best Uses

Campgrounds
Day Trips
Summer blanket
Winter bag liner

Comments about Sea to Summit CoolMax Adaptor Liner - Mummy:

The prospect of stuffing my bag in a triple-loader is daunting, so the idea of a sheet to protect my comforter from sleep sweat was more than appealing. i took a look at a few different liners, & this one's worked out well, keeping me cool in summer heat & keeping my bag from getting stinky! It's a snap to wash and dries so quickly I barely knew it was wet! It's not constricting, stretches quite well, & you can even sew up the opening with the eskimo cord if you need to feel snug as a bug! The stuffsack is compact & fits in just about any little crevice in your pack or duffel. Great deal!