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🔥 Sleep warmer, move freer, camp smarter.
The Sea to Summit Reactor Insulated Sleeping Bag Liner uses cutting-edge Thermolite Pro technology to increase your sleeping bag’s warmth by up to 25°F. Crafted with stretch knit fabric for a perfect fit and enhanced mobility, it features a drawcord footbox compatible with Sea to Summit’s Free-Flow Zip system for customizable ventilation. HeiQ Fresh anti-odor treatment ensures long-lasting freshness, making it an essential upgrade for backpackers and campers seeking comfort, hygiene, and warmth in one sleek liner.












| ASIN | B0CT69SWJP |
| Additional Features | Drawcord footbox |
| Age Range Description | Adult |
| Amazon Bestseller | #192,574 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #85 in Camping Sleeping Bag Liners |
| Brand Name | Sea to Summit |
| Closure Type | Drawstring |
| Color | spicy orange |
| Customer Reviews | 4.6 4.6 out of 5 stars (226) |
| Fabric Type | thermolite |
| Fill Material Type | Thermolite |
| Global Trade Identification Number | 09327868158331 |
| Item Dimensions L x W | 85L x 31.5W cm |
| Manufacturer | Sea to Summit |
| Manufacturer Part Number | ASL031071-190804 |
| Material | Thermolite |
| Maximum Height Recommendation | 7.08 Feet |
| Model Number | ASL031071-190804 |
| Occupancy | 1 |
| Seasons | Winter |
| Shape | Mummy |
| ShellMaterial | Thermolite |
| Size | 85 cm x 31.5 cm |
| Sport Type | Camping & Hiking |
| Temperature Rating | Increase the warmth of your sleeping bag by up to 25 degrees |
| Unit Count | 1.0 Count |
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