Description
Sea to Summit | Reactor Lightweight Sleeping Bag Liner
Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.
Specs
| Short | Regular | Long | |
|---|---|---|---|
| Weight | 8.3oz | 9.0oz | 9.5oz |
| Max User Height | 5′ 7″ | 6′ 1″ | 6′ 6″ |
| Packed Size | 3.9 x 7.1 x 3.9 in | 3.9 x 7.1 x 3.9 in | 3.9 x 7.1 x 3.9 in |
Features
- Lightweight and insulative, Thermolite® Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size
- Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
- Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
- Fits any sleeping bag – Stretch fabric means the Reactor Liner fits any shape of sleeping bag
- Stay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use
- Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
- Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
- Lower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact
Materials
100% Post-Consumer Recycled Polyester
Stuff Sack: 100% Polyester
Made in China
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