Sea to Summit COOLMAX Adaptor Liner - Mummy

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This Sea to Summit COOLMAX® Adapter mummy bag liner is specifically designed for use in warm or humid conditions. Its moisture management fabric adapts to a variety of temperatures and humidity.

  • Features

    • COOLMAX® polyester provides moisture-wicking, quick-drying comfort and offers the lightweight, softness of cotton
    • Use it as a part of your sleep system or by itself as a warm weather ultralight sleeping bag
    • Liner helps keep the inside of your bag clean, saving it from the wear and tear of washings
    • Drawcord hood with mini cordlock cinches around face to hold warmth in
    • Mummy shaped liner features a 3D footbox providing plenty of room for feet
    • The Sea to Summit COOLMAX® Adapter liner comes with a lightweight Ultra-Sil™ stuff sack
    View all Sea to Summit Sleeping Bag Liners
  • Technical Specs

    Best Use


    Sleeping Bag Shape


    Added Warmth (F)


    Added Warmth (C)


    Stuff Sack Size

    3 x 5 inches


    COOLMAX polyester


    84 x 36 inches


    8.7 ounces

  • Reviews
    34 reviews with an average rating of 4.5 out of 5 stars

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