What are some popular brands for sleeping bag liners at REI?

The top brands for sleeping bag liners include: Sea to Summit COCOON Big Agnes NEMO Browse our selection of top outdoor gear and apparel brands.

How can I earn a Co-op Member Reward on my sleeping bag liners purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced sleeping bag liners. (10% is typical but not guaranteed.) To earn or redeem rewards, buy a one-time $30 lifetime membership, or sign in as a member. See details about the Co-op Member Reward .

How much do sleeping bag liners cost?

At REI Co-op, we carry a wide range of sleeping bag liners that can start under $50 with some higher-end brands and models costing over $100.

loaded 29 results

Sleeping Bag Liners

(29 products)

Products (29)

Sort: Best Match

Sale Ends May 25
Top Rated
Sea to SummitSilk Blend Travel Sleeping Bag Liner
$71.19 - $74.89
Save 25%
compared to $94.95 - $99.95
66 reviews with an average rating of 4.7 out of 5 stars
Weight:
0.29 to 0.31 lbs
Sale Ends May 25
Top Rated
Sea to SummitSilk Blend Sleeping Bag Liner with Pillow Sleeve
$74.89
Save 25%
compared to $99.95
25 reviews with an average rating of 4.6 out of 5 stars
Weight:
0.35 lbs
Sea to SummitReactor Extreme Sleeping Bag Liner - Standard Mummy
$58.73
Save 30%
compared to $84.95
0 reviews
Weight:
0.8 lbs
REI OUTLET
Sea to SummitBreeze Sleeping Bag Liner - Rectangular
$48.73
Save 30%
compared to $69.95
0 reviews
Weight:
0.73 lbs
REI OUTLET
COCOONSilk MummyLiner
$89.95
90 reviews with an average rating of 4.2 out of 5 stars
Added Warmth (F):
Up to 10 degrees
Weight:
0.3 lbs
Sale Ends May 25
Top Rated
Sea to SummitComfort Sleeping Bag Liner with Pillow Sleeve
$41.19
Save 25%
compared to $54.95
19 reviews with an average rating of 4.8 out of 5 stars
Weight:
0.77 lbs
Sea to SummitReactor Sleeping Bag Liner - Mummy with Drawcord
$51.73
Save 30%
compared to $74.95
0 reviews
Weight:
0.63 lbs
REI OUTLET
Sale Ends May 25
Top Rated
Sea to SummitComfort Sleeping Bag Liner
$33.69
Save 25%
compared to $44.95
24 reviews with an average rating of 4.7 out of 5 stars
Weight:
0.64 lbs
COCOONMicrofiber MummyLiner
$38.95
79 reviews with an average rating of 4.3 out of 5 stars
Added Warmth (F):
Up to 5 degrees
Weight:
0.51 lbs
COCOONTravelSheet - Egyptian Cotton
$54.95
11 reviews with an average rating of 3.8 out of 5 stars
Added Warmth (F):
Up to 5 degrees
Weight:
0.57 lbs
Sea to SummitBreeze Sleeping Bag Liner with Insect Shield - Rectangular
$55.73
Save 30%
compared to $79.95
0 reviews
Weight:
0.73 lbs
REI OUTLET
Sale Ends May 25
NEMOTracer Endless Promise Sleeping Bag Liner
$52.39 - $59.89
Save 25%
compared to $69.95 - $79.95
1 reviews with an average rating of 5.0 out of 5 stars
Weight:
0.51 to 0.57 lbs
Top Rated
COCOONCOOLMAX MummyLiner
$59.95
56 reviews with an average rating of 4.5 out of 5 stars
Added Warmth (F):
Up to 5 degrees
Weight:
0.57 lbs
Sea to SummitBreeze Sleeping Bag Liner with Insect Shield - Mummy
$58.73
Save 30%
compared to $84.95
1 reviews with an average rating of 5.0 out of 5 stars
Weight:
0.63 lbs
REI OUTLET
Sea to SummitBreeze Sleeping Bag Liner - Mummy
$51.73
Save 30%
compared to $74.95
0 reviews
Weight:
0.63 lbs
REI OUTLET
COCOONMerino Wool MummyLiner
$129.95
26 reviews with an average rating of 4.2 out of 5 stars
Added Warmth (F):
Up to 10 degrees
Weight:
1.09 lbs
Sale Ends May 25
Sea to SummitReactor Midweight Sleeping Bag Liner
$56.19 - $63.69
Save 25%
compared to $74.95 - $84.95
0 reviews
Added Warmth (F):
Up to 10 degrees
Weight:
0.73 to 0.78 lbs
COCOONCOOLMAX Travel Sheet
$59.95
40 reviews with an average rating of 4.4 out of 5 stars
Added Warmth (F):
Up to 5 degrees
Weight:
0.68 lbs
Sale Ends May 25
Sea to SummitReactor Fleece-Weight Sleeping Bag Liner
$63.69 - $71.19
Save 25%
compared to $84.95 - $94.95
0 reviews
Added Warmth (F):
Up to 15 degrees
Weight:
0.8 to 0.93 lbs
Sale Ends May 25
Big AgnesAlpha Direct Fleece Liner
$112.39
Save 25%
compared to $149.95
2 reviews with an average rating of 4.5 out of 5 stars
Added Warmth (F):
Up to 5 degrees
Weight:
0.42 to 0.47 lbs
Sale Ends May 25
Sea to SummitReactor Lightweight Sleeping Bag Liner
$48.69 - $56.19
Save 25%
compared to $64.95 - $74.95
0 reviews
Added Warmth (F):
Up to 5 degrees
Weight:
0.52 to 0.57 lbs
Only at REI
COCOONOrganic Cotton MummyLiner
$49.95
0 reviews
Added Warmth (F):
Up to 5 degrees
Weight:
0.84 lbs
COCOONLyocell MummyLiner
$59.95
0 reviews
Added Warmth (F):
Up to 10 degrees
Weight:
0.65 lbs
Sale Ends May 25
Sea to SummitBreeze Lightweight Traveller Sleeping Bag Liner with Insect Shield
$60.69
Save 25%
compared to $80.95
0 reviews
Weight:
0.76 lbs
Lorem

Lorem

Get $130 in value

When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.
Apply now
Sale Ends May 25
Top Rated
Big AgnesUL Recovery Sleeping Bag Liner
$74.89
Save 25%
compared to $99.95
5 reviews with an average rating of 4.8 out of 5 stars
Weight:
0.71 to 0.74 lbs
Sale Ends May 25
NEMOTracer Blaze Endless Promise Sleeping Bag Liner
$59.89 - $67.39
Save 25%
compared to $79.95 - $89.95
3 reviews with an average rating of 4.3 out of 5 stars
Weight:
0.78 to 0.85 lbs
Sale Ends May 25
Sea to SummitBreeze Lightweight Traveller Sleeping Bag Liner With Pillow Sleeve
$56.89
Save 25%
compared to $75.95
0 reviews
Weight:
0.73 lbs
Sale Ends May 25
Sea to SummitBreeze Lightweight Sleeping Bag Liner With Insect Shield
$56.89 - $64.39
Save 25%
compared to $75.95 - $85.95
0 reviews
Weight:
0.61 to 0.67 lbs
Sale Ends May 25
Sea to SummitBreeze Lightweight Sleeping Bag Liner With Drawcord
$53.19 - $60.69
Save 25%
compared to $70.95 - $80.95
0 reviews
Weight:
0.58 to 0.64 lbs