The Sea to Summit Reactor Midweight Sleping Bag Liner improves every chilly night in the backcountry. The advanced Thermolite® Pro fabric has infrared-absorbing ceramic pigments and hollow-core fibers trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings allow unrestricted sleep, making it a great fit for any sleeping bag. Quick-drying and easy to clean, it features HeiQ Fresh odor control and helps extend your sleeping bag’s lifespan by reducing wash frequency.
Product Features
- Boosts Sleep System Warmth – Thermolite® Pro uses Far Infrared technology and hollow-core fibers to trap and reflect body heat without extra bulk
- 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
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Boosts Sleep System Warmth – Thermolite® Pro uses Far Infrared technology and hollow-core fibers to trap and reflect body heat without extra bulk
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Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
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Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
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Stay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use
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Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
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Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
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Lower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact
