Built for size and weight restrictions on extended journeys. The Featherlite is regular size with premium fill. Temperature rating is a guage for experienced users who understand proper equipment use. Unlike other Ledge classic and oversize bags it is not a comfort rating but a guide for use.Size: 84 inches X 32 inches X 20 inches, Packed Uncompressed: 15 inches X 8 inchesFill Weight: 1.5 lb., Pack Weight: 3.4 lb.Dobby Diamond 250T Ripstop Shell, Softech II 210T Liner, YKK ZippersHibernate Extreme, Micro Denier, Continuous Filament Fiber FillT-8 Compression Sack, Synthetic FillColors May VaryWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov