Mountain Hardwear Ultralamina +0 Sleeping Bag - Men's

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This lightweight synthetic Mountain Hardwear Ultralamina 0° sleeping bag provides unrelenting performance in cool, damp environments.

  • Features

    • Lightweight Thermic Micro™ insulation is manufactured to produce a consistent, dense sheet of insulation that eliminates cold spots
    • Made from a combination of hollow and solid staple fibers, the fill has excellent loft retention and is durable, soft and compressible
    • Performance mummy cut features a snug overall fit that positions the down insulation close to the body, maximizing warmth and minimizing weight without restrictiveness
    • Welding stabilizes the fill without need to sew through the bag, eliminating moisture penetration points and maximizing loft
    • Warmth is optimized through differential cut of shell and lining fabrics, allowing the insulation adequate room to expand to its full loft
    • Insulated draft tube extends to bottom of bag to eliminate cold spots
    • Face gasket and tailored hood seal out cold air
    • Dual, 2-way zippers with locking sliders are backed by wide, antisnag binding tape; longer zipper on one side allows for easy exit/entry
    • Insulated zipper gusset seals in heat at base of zipper
    • Comfort footbox is shaped to allow feet to rest naturally; shape preserves loft and allows insulation to drape close to feet for more warmth
    • Interior zippered pocket at shoulder is great for stowing small necessities such as your watch or lip balm, alleviating middle-of-the-night fumbling
    • The Mountain Hardwear Ultralamina 0° sleeping bag comes with nylon compression stuff sack and mesh storage bag


    View all Mountain Hardwear Men's Sleeping Bags
  • Technical Specs

    Best Use


    Tested Lower Limit


    Tested Comfort


    Temperature Rating (F)

    0 degrees (F)

    Temperature Rating (C)

    -18 degrees Celsius


    3 lbs. 13 oz.



    Insulation Type



    Polyester fibers

    Fill Weight

    48 ounces


    Nylon taffeta

    Sleeping Bag Shape


    Fits Up To (in.)

    72 / 78 inches

    Shoulder Girth (in.)

    60 inches

    Hip Girth (in.)

    56 inches

    Stuff Sack Size

    8 x 12 inches

    Stuff Sack Volume

    10 liter



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