Kelty Cosmic Down 41 Sleeping Bag

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Great for warm-weather backpacking, this 2-season sleeping bag features 550-fill DriDown insulation that defends against moisture, has exceptional loft and compresses down small.

  • Features

    • 550-fill-power DriDown has a water-resistant finish that allows down insulation to resist moisture, dry faster and maintain loft
    • Quilt-through construction with differential cut and ground level side seams provides sufficient warmth on cooler nights
    • Polyester taffeta creates a smooth yet durable shell; polyester taffeta lining breathes for comfort and feels great against skin
    • Fully insulated draft tube backing the zipper keeps body heat in and cold air out
    • Full-length, 2-way, double sliding zipper allows easy venting; locking slider is backed by antisnag binding tape
    • Thermal-comfort hood has drawcords of differing widths at head and neck for easy identification and adjustment in the dark
    • Natural-fit footbox provides plenty of room so feet don't feel scrunched
    • Pad loops provide attachment points to keep sleeping bag centered on top of sleeping pad (pad and straps not included)
    • Hang loops allow easy drying and storage
    • Stuff sack included

    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 Kelty Men's Sleeping Bags
  • Technical Specs

    Best Use

    Backpacking

    Tested Lower Limit

    41 degrees (F) - EN

    Tested Comfort

    49 degrees (F) - EN

    Temperature Rating (F)

    41 degrees (F)

    Temperature Rating (C)

    4 degrees (C)

    Shell

    50-denier polyester taffeta

    Zipper Location

    Right

    Insulation Type

    Down

    Water-Resistant Down

    Yes

    Fill

    550-fill DriDown

    Lining

    50-denier polyester taffeta

    Sleeping Bag Shape

    Mummy

    Stuff Sack Size

    7 x 12 inches

    Stuff Sack Volume

    7.6 liters

    Gender

    Unisex

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