Big Agnes’ lightest, most compressible bag series; 850-fill DownTek
The Big Agnes Star Fire UL series are technical, ultralight traditional down mummy bags designed to excel in all conditions. These are Big Agnes’ most compressible and ultralight bags, filled with water-repellent 850-fill DownTek and a Pertex shell for water resistance. Body-mapped baffle construction optimizes thermal efficiency.
• 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
• Ergonomic foot-box construction provides more loft and warmth
• Low-profile cordlock lets you un-cinch the hood with one hand
• Internal hood drawcord gives you a secure, cozy fit when cinched
• Minimal zipper minimizes weight and reduces cold spots
• 40in./102cm YKK #5 anti-snag zipper for a smooth, quick zip
• Zipper Garage
• Interior fabric loops for sleeping bag liners
• Streamlined exterior loops for hang drying or storage
• Storage sack & stuff sack included
Materials & Construction
— Shell and lining is Pertex® Quantum nylon ripstop
— 100% recycled Pertex® Quantum uses a tightly woven structure made from incredibly fine yarns, making a light and soft fabric that allows insulation to fully loft and maximize thermal efficiency
— 850 fill DownTek™ repels water while maintaining insulating value
— Insotect Flow™ vertical baffles contour to your body to provide a more comfortable fit and keep you warmer













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