Slide the Mountainsmith Poly Sleeping Bag liner into your mummy bag to increase the warmth by a few degrees without adding too much extra bulk or weight to your pack.
- Liner also extends the life of your bag by protecting it from sweat and body oils
- "Open access" cover makes it easy to get in and out of
- Fits campers and backpackers up to 6 ft. 4 in.
- Snug fit
- Includes storage sack