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🔥 Elevate your sleep game—stay warmer, fresher, and freer on every adventure!
The Sea to Summit Reactor Insulated Sleeping Bag Liner uses advanced Thermolite Pro hollow core fibers and infrared-absorbing ceramic pigments to boost your sleeping bag’s warmth by up to 32°F. Its stretchy mummy design and adjustable drawcord footbox provide personalized comfort and ventilation, while HeiQ Fresh technology ensures long-lasting odor control. Available in three warmth levels, this liner seamlessly fits any sleeping bag, making it a must-have upgrade for winter camping and hiking.












| 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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