Mammoth Sleeping Bag Liner


In stock

SKU: 180


- Roomy 91" x 58" rectangular liner fits large people comfortably
- Mammoth two-person sleeping bag
- Perfect take-along if you're not sure your sleeping bag will be warm enough
- Adds about 10 degrees of warmth to a sleeping bag
- Can be used alone as a warm-weather sleeping bag or travel sheet
- Keeps sleeping bag clean and dry
- Machine washable and dryable
- Soft and breathable like a luxury sheet
- Brushed fabric finish designed to stay put in your sleeping bag instead of twisting around you as you move
- Innovative fabric is extremely durable yet still thin
- Reinforced seams and openings
- Hooded area for pillow
- Both sides are open 24" for easy exit and entry
- Velcro fasteners keep sides together for a snug night's sleep
- Safety Velcro folds over itself when not in use to protect your skin
- Includes stuff sack with drawstring cord, barrel-lock and handle
- Lighter weight and more packable than fleece
- Weighs just 1.5 lbs.
- Lifetime Warranty


The Mammoth Sleeping Bag Liner is constructed of a durable, brushed (polyester or cotton) fabric and the design minimizes twisting during the night. Top sides open 24″ and fold down for easy entrance and exit. Safety Velcro tabs close the openings to keep out drafts. Square pillow hood and reinforced seams. Use liner with any Mammoth sleeping bag to improve warmth by about 10 degrees or by itself as a warm-weather bag or travel sheet. Machine washable and dryable. Includes stuff sack with drawstring, barrel-lock, and handle.

Specs and Sizing

Primary Features

Size: 91" x 58"
Opening: 24" Left and Right Side Velcro Openings
Pack Weight: 1.5 lbs.


Material: Double-Brushed P5 Poly Hi-Count

Storage & Conveniences

Storage: Stuff Sack

Lifetime Warranty

TETON Sports has one of the best product guarantees in the business, made possible by our low defect rate and extra-mile customer service policy.

Customer Reviews

  • Rated 5.00 out of 5 based on 1 customer rating

    Based on 1 reviews

  • BC


    I bought this to go inside our double wide sleeping bag. It is really cozy and so nice to not have to wash my sleeping bag every time. And important to me, Teton has outstanding customer service. They stand by their products and care about their customers.

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