Jake B. wrote a review of Mountain Hardwear Ultralamina 15 Sleeping Bag: 15 Degree Synthetic on October 1, 2012
Familiarity: I've used it several times
This bag has it all; Warmth, light weight, compressible. A solid synthetic bag. The addition of a full length zipper was a great improvement by MH, allows for more versatile use in warmer weather.