A little over a single pound, the Star Fire UL is officially the lightest, most compressible sleeping bag from Big Agnes. Perfected for long backpacking trips, the bag's 850-fill down insulation has the highest fill rating for lofty compression, and Big Agnes treated it with DownTek for hydrophobic properties that help the down retain its loft in moisture-riddled climates. The Pertex Quantum shell is also water-resistant, and highly windproof to block brisk breezes as you snooze. Oversized draft tubes and collars make sure you don't feel a breeze, and the single-handed hood adjustment helps you hunker down when the winds really howling.
The lightest, most compressible sleeping bag from Big Agnes
850-fill DownTek treated to resist moisture and stay warm
Pertex Quantum shell is water-resistant and windproof
Minimal zipper with an oversized draft tube and collar
Single-handed hood adjustment is easy to use at night