Feathered Friends’s own description.
Our latest generation: The Raven 10 UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Diamond Fuse lining fabric in the footbox, plus new and familiar colors For those with broader chests who are looking for a warm yet lightweight bag, the Raven UL is designed to accommodate a larger build.
Figures with a source link to the page they were read from, with the date we checked it.How we get these figures →Wrong figure? Tell us
Main models on the same shelf, compared with the Raven UL 10 Sleeping Bag on the makers’ published figures.
Western Mountaineering
Bison GWS
rated 50°F warmer
Western Mountaineering
Puma MF
rated 35°F warmer
Sea to Summit
Alpine Down Sleeping Bag
rated 30°F warmer
Not ranked: 24 with no published temperature rating.
See all 11 →Sleeping bags rated 15 to 25°F ranked by maker-published weight: 21 models. Lightest: Therm-a-Rest Vesper 20°F/-6°C Down Quilt at 1.21 lb (550 g).
Sleeping bags and quilts rated 26 to 35°F ranked by maker-published weight: 16 models. Lightest: Zpacks Solo Quilt at 11.8 oz (335 g). Median 1.39 lb.
How to read a temperature rating, why fill weight matters more than fill power, per-size prices, and what the makers publish for the Kelty Cosmic 20, the Western Mountaineering line, NEMO, Sea to Summit, Mountain Hardwear and Therm-a-Rest.