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Sea To Summit

Sea To Summit Thermolite Reactor Liner

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    Perfect for cold-weather adventures, The Sea To Summit Reactor Thermolite Sleeping Bag Liner adds up to 14-degrees to your sleep system.  The stretchy, insulated fabric keeps you comfy, warm, and dry all night. Adding a sleeping bag liner to your sleep system helps keep your bag clean and performing at its peak. The liner is machine washable for easy care.

    • Fabric: Thermolite polyester
    • Use: Backpacking and camping
    • Weight: 8.7 oz
    • Dimensions: 82 in L x 36 in W
    • Packed size: 5.75 in L x 4 in W
    • Adds up to 14°F / 8°C of warmth to a sleeping bag
    • Lighter weight, more packable than fleece
    • Mummy shape with a box foot
    • Drawcord hood with mini cord lock
    • Packs into its own Ultra-Sil™ stuff sack
    Sea To Summit Thermolite Reactor Liner
    • Get it fast!

      We ship the same day, whenever possible!

    • Shop small

      Our locally-owned hiking shop values your business.

    • Simple returns & exchanges

      We make it easy! See our return policy.