Liner Camping, Hiking, & Climbing Gear from $30 to $59, from Amazon.com

Sea to Summit's "Reactor&#­034; is made from the lightest weight Thermolite(r) that DuPont has yet approved. Thermolite(r) is a hollow core fiber that provides extraordinary warmth for its weight and rem... more

Sea to Summit's "Reactor&#­034; is made from the lightest weight Thermolite(r) that DuPont has yet approved. Thermolite(r) is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 15 degrees of warmth to a sleeping bag or, used alone, is the ideal warm weather bag. less

Slumberjack Micro Fleece Rectangle Liner: The Slumberjack Micro Fleece Rectangle Liner is a double brushed, 100% polyester micro fleece fabric liner with anti-pilling properties so it will last. Ou... more

Slumberjack Micro Fleece Rectangle Liner: The Slumberjack Micro Fleece Rectangle Liner is a double brushed, 100% polyester micro fleece fabric liner with anti-pilling properties so it will last. Outfitted with a hip length, two way zipper and a Durasoft snap closure, the Micro Fleece Mummy Liner will keep you warm and cozy in cold climates while protecting your sleeping bag from wear and tear. Includes a matching micro fleece stuff sack. less

Kelty Fleece Sleeping Bag Liner: Use the Kelty Fleece Sleeping Bag Liner to upgrade the warmth of your rectangular sleeping bag, or use it as a blanket to stay cozy on warm summer nights. This flee... more

Kelty Fleece Sleeping Bag Liner: Use the Kelty Fleece Sleeping Bag Liner to upgrade the warmth of your rectangular sleeping bag, or use it as a blanket to stay cozy on warm summer nights. This fleece liner adds 10 to 15 degrees of warmth to your sleeping bag so it's perfect to take with you on camping trips in the late fall or winter. Compatible with all Kelty bags, this liner attaches to internal liner loops and has a full zipper and folds out flat to be used as a blanket. less

Sea to Summit's "Reactor" is made from the lightest weight Thermolite(r) that DuPont has yet approved. Thermolite(r) is a hollow core fiber that provides extraordinary warmth for its weight and rem... more

Sea to Summit's "Reactor" is made from the lightest weight Thermolite(r) that DuPont has yet approved. Thermolite(r) is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 15 degrees of warmth to a sleeping bag or, used alone, is the ideal warm weather bag. less

Slumberjack Micro Fleece Rectangle Liner: The Slumberjack Micro Fleece Rectangle Liner is a double brushed, 100% polyester micro fleece fabric liner with anti-pilling properties so it will last. Ou... more

Slumberjack Micro Fleece Rectangle Liner: The Slumberjack Micro Fleece Rectangle Liner is a double brushed, 100% polyester micro fleece fabric liner with anti-pilling properties so it will last. Outfitted with a hip length, two way zipper and a Durasoft snap closure, the Micro Fleece Mummy Liner will keep you warm and cozy in cold climates while protecting your sleeping bag from wear and tear. Includes a matching micro fleece stuff sack. less

If you're headed where the cold winds blow, be sure to pack the Wenzel Tundra. Comfort rated to a bone-chilling -10 degrees F! For many folks, the camping season doesn't end when winter moves in...... more

If you're headed where the cold winds blow, be sure to pack the Wenzel Tundra. Comfort rated to a bone-chilling -10 degrees F! For many folks, the camping season doesn't end when winter moves in... it just gets more challenging! If you're one of those brave souls, consider the Wenzel Tundra for your next adventure. It's roomy, snoozably comfortable and packed with 6 lbs. of ultra-warm, heat-retaining Omega polyester fill that keeps you warm down to an icy -10 degrees F. Plus, for all you tall... less

Introducing the Cocoon CM13 MummyLiners Cotton Sleeping Bag Liner - Natural - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business day(s) from Bo... more

Introducing the Cocoon CM13 MummyLiners Cotton Sleeping Bag Liner - Natural - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business day(s) from Bozeman, Montana, and weighs 0.75 pound(s). The Cocoon Cotton Mummy Liner is a quality liner at an affordable bargain price. The breathablilty of cotton is soothing and warms while also keeping you cool in warmer conditions. The Cotton sleeping bag liner also functions as an ultra light sleeping bag i... less

Introducing the Cocoon CM29 MummyLiners Cotton Sleeping Bag Liner - River Bank Stripes - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business day... more

Introducing the Cocoon CM29 MummyLiners Cotton Sleeping Bag Liner - River Bank Stripes - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business day(s) from Bozeman, Montana, and weighs 0.75 pound(s). The Cocoon Cotton Mummy Liner is a quality liner at an affordable bargain price. The breathablilty of cotton is soothing and warms while also keeping you cool in warmer conditions. The Cotton sleeping bag liner also functions as an ultra light sle... less

Introducing the Cocoon SCM72 MummyLiners Silk-Cotton Blend Sleeping Bag Liner - Monks Red - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business ... more

Introducing the Cocoon SCM72 MummyLiners Silk-Cotton Blend Sleeping Bag Liner - Monks Red - Single, featured in our Camping Sleeping Gear department. This product generally ships within 1 business day(s) from Bozeman, Montana, and weighs 0.4 pound(s). Red with a purpose. Stay warm and dry with a red Silk and Cotton Mummy Liner from Cocoon. This strong, durable, and soft mummy sleeping bag liner can stand alone as a sleeping bag in warmer climates or can be used in your current sleeping bag to... less