Big Agnes Star Fire UL 0 Degree Sleeping Bag

The Big Agnes Star Fire UL -20 Degree Sleeping Bag is a technical, ultralight bag are designed for adventures where every ounce counts, each nook and cranny in your pack is accounted for, and you depend on the performance of your sleeping bag like you would a harness, helmet, or beacon. The "Big Agnes Star Fire UL -20 Degree Sleeping Bag features the ultimate 850 fill power DownTek™ water-repellent down, and are built with a superlight, high-tear strength shell that also protects the inside footbox. Body-mapped baffle construction optimizes thermal efficiency creating the lightest, highly compressible bag for your most remote of overnight adventures. 

Features:

• Traditional mummy shape allows for lightweight and increased thermal value
• Body mapped baffle construction optimizes thermal efficiency
• 3-D anti-snag draft tube prevents heat loss along the zipper
• Vertically structured sidewalls integrating contoured baffles trap heat closer to the body
• Contoured hood baffles cradle the head for a more comfortable fit
• Oversized interior anti-draft collar 

Specs + Sizing