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Light, highly packable, and reliably warm in damp conditions.

For a lightweight summer bag that will perform in wet and humid conditions, look no further than the Mountain Hardwear Ultralamina 32 Sleeping Bag. At just under two pounds with a stuffed size of 6 by 10 inches, this bag won't weigh you down or occupy too much pack space. Plus, the lofty Thermal.Q synthetic insulation maintains its warmth in wet conditions.

  • With an EN lower limit of 37˚F (lower limit refers to the average man's comfort zone), this bag is best suited for camping in the late spring, summer, or early fall
  • Thermal.Q synthetic insulation is highly compressible, maintains its loft, and insulates better than down when it gets wet
  • Ripstop nylon shell is ultralight and highly wind resistant
  • Performance mummy cut reduces weight and bulk while increasing thermal efficiency
  • Lamina construction attaches the shell directly to the insulation, eliminating cold spots caused by typical baffle construction
  • Comfort Footbox accommodates the natural position of the foot for improved warmth and comfort
  • Ultralamina weighs in at just under 2 pounds
  • Single 3/4-length zipper further reduces weight and bulk
  • Stuffs into an included 6 by 10 inch stuff sack for compact transport
  • Includes storage sack

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Mountain Hardwear Ultralamina 32 Sleeping Bag: 32 Degree Thermal Q

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Here's what others have to say...

Would this zip together with the women's...

Would this zip together with the women's version?

Responded on

Hey Brian,

While I don't have these bags on hand to experiment, I can say that generally speaking as long as they have opposite zips (one is a left zip and one is a right zip), they should be able to zip together at least somewhat.

Note that these are 3/4 zips (can't fully open the bag) and that the men's and women's are most likely different lengths.

While the zippers are probably compatible, the end result could be pretty awkward.

Hope this helps!