I have a Full Length JRB Winter Nest quilt, that is awesome in winter, and has kept me warm in -20^C.
It still works fine in all months except full-bore summer. (say 1-3 weeks per year)
I also have a 3/4 length Winter Ptarmigan, that is awesome all year round except for 2-3 hours during the hottest summer week.
If I could only own 1, I would be very hard-pressed to give an answer. It would depend on where I would plan on hanging. For the range of temps, smaller packed size/weight, and 'best-fit' I would say the Ptarmigan wins. If I needed something for very-long term winter camping, (and temps below -20^C) I would take the JrB.
In reality, I get both. The Ptarmigan goes with me on more trips though.
Bookmarks