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Poly Sleeping Bag Liner

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Poly Sleeping Bag Liner

Expand the versatility of your sleeping bag with the Mountainsmith Poly Sleeping Bag Liner. This lightweight and compressible liner adds warmth without tacking on a ton of bulk or weight, or requiring you to buy a different bag, and it extends the life of your sleeping bag by protecting it from sweat and oils.


  • Add extra warmth to your bag with this liner
  • Polyester fabric is smooth and wicks moisture
  • Open access cover for easy entry and exit
  • Includes storage sack for convenience
  • Item #MOU005E
75D polyester
mummy, rectangular
Claimed Weight
Recommended Use
camping, backpacking
Manufacturer Warranty