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When you're trekking or mountaineering, you need reliable insulation despite sustained cold and damp conditions. The Marmot Trestles 0 sleeping bag delivers with all-purpose synthetic filling.

  • Features

    • Durable SpiraFil™ insulation provides an exceptional combination of warmth, softness, low weight and packability
    • Wave construction on top of bag provides maximum loft and warmth; blanket construction on the bottom offers exceptional warmth and comfort
    • 3D hood construction envelops your head in warmth; the 2 drawcords that tighten hood are easy to differentiate in the dark
    • 3D footbox increases the insulation and room for your feet
    • External stash pocket keeps nighttime necessities close at hand
    • Full-length locking YKK 2-way zipper
    • Fold-down second zipper provides added ventilation options and easy bag access
    • Zipper guard along insulated draft tube keeps fabric from snagging in the coils
    • 2 hang loops for storing and airing out sleeping bag
    • Includes a compression stuff sack


    Many sleeping bags are rated for temperature by an independent testing protocol. With both European Norm (EN) 13537 and International Organization for Standardization (ISO) 23537 testing, each bag gets a Comfort (or T-Comfort) rating and Lower (or T-Limit) rating. The Comfort/T-Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower/T-Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Ratings are based on a person wearing one long underwear layer and a hat, sleeping on a single 1 in. thick insulating pad. Many brands use the Comfort rating for women's bags and the Lower rating for men's and unisex bags. Everyone's body and sleep comfort differ, so EN and ISO ratings are simply a guideline to help you compare products.
    View all Marmot Men's Sleeping Bags
  • Technical Specs

    Best Use


    Tested Lower Limit

    1.9 degrees (F) - EN

    Tested Comfort

    15.3 degrees (F) - EN

    Temperature Rating (F)


    Temperature Rating (C)




    Zipper Location


    Insulation Type



    SpiraFil LT polyester fibers



    Sleeping Bag Shape




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