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Boost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan.

Boosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight
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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
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Can be used on its own as a lightweight sleeping bag in warm-weather conditions
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100% Post-Consumer Recycled Polyester
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Stuff Sack: 100% Polyester
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Dimensions: 81.1 x 31.5 in | 206 x 80 cm
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Packed Size: 5.9 x 9.8 x 5.9 in | 15 x 25 x 15 cm
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Weight: 15.2oz | 430g
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Reactor Fleeceweight Liner Long(Long / Picante)

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