PolyStretch Sleeping Bag Liner - Knitted Polyester
Product Description
Upgrade your sleep system with the PolyStretch™ Sleeping Bag Liner — designed to add comfort, warmth, and versatility to your outdoor adventures. Made from soft, stretchy knitted polyester, this liner moves with you through the night while boosting the warmth of your sleeping bag by 8–15°F.
Use it on its own as a lightweight sleeping bag for warmer nights, or attach it inside your sleeping bag with the built-in snap loops for added warmth. Includes a drawstring cinch top for heat retention and a rounded foot box to keep your feet cozy.
Weighing just 11 oz (with an additional 12 g for the carry bag), it packs down small, making it a compact, lightweight essential for backpacking, camping, or travel.
Key Features
- Soft, stretchy polyester knit for comfort and mobility
- Use alone on warm nights, or attach inside your bag with snap loops
- Increases sleeping bag warmth by 8–15°F
- Drawstring top for customizable heat retention
- Rounded foot box for extra warmth
- Weighs 11 oz (carry bag adds 12 g)
- Lightweight, compact, and easy to wash
Dimensions inside the carrying bag are 7 x 4 inches (non-compressed)
Technical Specs
| Best Use | Temperature Boost, Moisture Control, Lightweight Packability |
| Material | Knitted Polyester |
| Added Warmth | 8-15ºF |
| Weight | 11 oz |
| Dimensions | 72 x 28 in |
| Packed Size | 7 x 4 in |
| Pack Size | 8 x 6 |
Description
Product Description
Upgrade your sleep system with the PolyStretch™ Sleeping Bag Liner — designed to add comfort, warmth, and versatility to your outdoor adventures. Made from soft, stretchy knitted polyester, this liner moves with you through the night while boosting the warmth of your sleeping bag by 8–15°F.
Use it on its own as a lightweight sleeping bag for warmer nights, or attach it inside your sleeping bag with the built-in snap loops for added warmth. Includes a drawstring cinch top for heat retention and a rounded foot box to keep your feet cozy.
Weighing just 11 oz (with an additional 12 g for the carry bag), it packs down small, making it a compact, lightweight essential for backpacking, camping, or travel.
Key Features
- Soft, stretchy polyester knit for comfort and mobility
- Use alone on warm nights, or attach inside your bag with snap loops
- Increases sleeping bag warmth by 8–15°F
- Drawstring top for customizable heat retention
- Rounded foot box for extra warmth
- Weighs 11 oz (carry bag adds 12 g)
- Lightweight, compact, and easy to wash
Dimensions inside the carrying bag are 7 x 4 inches (non-compressed)
Technical Specs
| Best Use | Temperature Boost, Moisture Control, Lightweight Packability |
| Material | Knitted Polyester |
| Added Warmth | 8-15ºF |
| Weight | 11 oz |
| Dimensions | 72 x 28 in |
| Packed Size | 7 x 4 in |
| Pack Size | 8 x 6 |
