ust Monarch Sleeping Bag

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Size: Short
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Taking its name from the butterfly, the ust Monarch sleeping bag features a metamorphosing wing system to enhance your sleeping experience and comfort levels.

  • Features

    • Patented wing system features detachable wings at each side to create a dynamic temperature comfort range from 17° to 37°F
    • Side wings fold forward for extra warmth, fold back for extra padding or can be used in both configurations at at the same time for the perfect balance of comfort and warmth
    • Each wing has a pocket for stuffing the wing into itself to create a comfy camp pillow when the wing is not being used for warmth or padding
    • Pillow sleeve inside the hood holds your camp pillow (not included) in place as you sleep
    • Snap and toggle attachments easily attach and detach the wings
    • Zippered overstuffed footbox keeps toes toasty and can be unzipped for cooling ventilation
    • Zippered front pocket keeps personal items secure and conveniently within reach
    • 20-denier ripstop nylon shell treated with C6 DWR (durable water repellent) finish to help keep you dry inside
    • 150 g synthetic fill in the body and 220 g synthetic fill in the wings is made of recycled plastic bottles


    View all ust Men's Sleeping Bags
  • Technical Specs

    Best Use


    Temperature Rating (F)

    17 degrees (F)

    Temperature Rating (C)

    -8 degrees (C)


    Short: 3 lbs. 15 oz.


    20-denier nylon ripstop

    Zipper Location


    Insulation Type



    Body: 150 g recycled synthetic poly; wings: 220 g recycled synthetic poly


    20-denier nylon ripstop

    Sleeping Bag Shape


    Fits Up To (in.)

    Short: 74 inches

    Shoulder Girth (in.)

    61 inches

    Hip Girth (in.)

    Short: 59 inches

    Stuff Sack Size

    Short: 8.5 x 17 inches

    Stuff Sack Volume

    Short: 15.8 liters

    Compressed Volume

    Short: 9.5 liters




    Contains recycled materials

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    18 reviews with an average rating of 4.0 out of 5 stars

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