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When you're in the Adirondacks or on the Appalachian trail, where cool temperatures and high humidity are both factors, stuff the Mountain Hardwear Ultralamina 15 Sleeping Bag in your pack for reliable three-season warmth. The lofty Thermal.Q synthetic insulation maintains warmth in wet conditions, and the Lamina construction eliminates the cold spots caused by standard baffle stitching. Plus, the low weight of just under three pounds is certain to please weight-conscious backpackers.

  • With an EN lower limit of 19F (refers to the average man's comfort zone), this bag is best suited for camping in the spring, summer, or fall
  • Thermal.Q synthetic insulation is highly compressible, maintains its loft, and insulates better than down when it gets wet
  • Nylon ripstop 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 3 pounds
  • Single 3/4-length zipper further reduces weight and bulk
  • Stuffs into an included 7 by 13 inch stuff sack for compact transport
  • Includes storage sack
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killer bag!

  • Familiarity: I've used it several times

this is a great bag all around and to make it even better it is extremely compressible for a 15 degree synthetic bag! it is extremely comfortable and relatively lightweight for a synthetic bag, that has a low temperature rating..I would recommend this to a friend for sure and have made this my "go to bag" for almost any situation, climate, season, etc. etc. Great bag all-in-all!!

VERY Impressed

    I am hands down now converted to Mountain Hardwear bags. To start, this guy is highly compressible- especially for being synthetic. It is also lightweight- again, a plus for still being synthetic. It is very comfortable, and not too tight for being a 'performance' mummy bag. We have not been able to take it down to cold temps and fully test its rating, but from experience so far, I have no doubt that it will hold up and still be a comfortable sleep at 15F. This bag is absolutely bomber, and I can't wait to get it out more!