Sea to Summit Traveller Tr I Sleeping Bag

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Filled with 750-fill-power water-resistant duck down, the Sea to Summit Traveller Tr I Sleeping Bag is ideal for fast-and-light backpacking or year-round traveling to hostels and huts.

  • Features

    • High-loft 750-fill-power down offers superb warmth with minimal weight; Ultra-Dry Down™ water-repellent treatment protects down from moisture
    • Ultra-Dry Down is a water-repellent polymer treatment applied to the down; Ultra-Dry Down retains 60% more loft and absorbs 30% less moisture than untreated down
    • With a European Norm (EN) lower-limit rating of 50°F, the Sea to Summit Traveller Tr I will keep you comfortable on summertime backpacking adventures
    • Traveller Tr I can be zipped together with another Traveller Tr I when you're not alone; Large size will comfortably accommodate 2 people when unzipped and used as a blanket
    • Has a lightly tapered shape with collar and foot drawcords that can be cinched down to seal in heat and a create a mummy-shaped bag
    • Lightweight ripstop nylon shell can be reversed so either the gray or teal color is on the outside
    • Sea to Summit Traveller Tr I Sleeping Bag includes a lightweight Ultra-Sil compression stuff sack and a mesh storage bag

    Imported.

    Many sleeping bags are rated for temperature by an independent testing protocol. REI and the broader industry now use the International Organization for Standardization (ISO) 23537 protocol, which improves on the older European Norm (EN) 13537 standard; you may still see older items in our assortment that were only EN tested. With either protocol, each bag gets a Comfort (or T-Comfort) rating and Lower Limit (or T-Limit) rating. The Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower 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 pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38. Many brands use the Comfort rating for women's bags and the Lower Limit rating for men's and unisex bags. Everyone's body and sleep comfort differ, and conditions of use (posture, clothing, sleeping pad R-value, wind, humidity, etc.) affect total insulation, so EN and ISO ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth.
    View all Sea to Summit Men's Sleeping Bags
  • Technical Specs

    Best Use

    Travel

    Backpacking

    Tested Lower Limit

    50 degrees (F) - EN

    Tested Comfort

    57 degrees (F) - EN

    Temperature Rating (F)

    50 degrees (F)

    Temperature Rating (C)

    10 degrees (C)

    Ultralight

    Yes

    Shell

    Ripstop nylon

    Zipper Location

    Left/Right

    Insulation Type

    Down

    Water-Resistant Down

    Yes

    Fill

    750-fill-power duck down

    Lining

    Nylon

    Sleeping Bag Shape

    Mummy

    Shoulder Girth (in.)

    Unavailable inches

    Gender

    Unisex

  • Reviews
    17 reviews with an average rating of 4.2 out of 5 stars

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