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The Big Agnes Mystic UL 15 Sleeping Bag is one of the lightest bags offered by BA, and with a 15-degree temperature rating, it's perhaps the most versatile. This bag really hits a sweet spot with a practical and comfortable feature set. It provides excellent low-bulk warmth thanks to the 850-fill down insulation, packs up tiny, and has an integrated sleep pad to provide a comfortable night's sleep no matter how much tossing and turning you do. For long treks and fast-and-light trips, the Mystic UL is as good of a bag as you can find anywhere.
Shell Fabric – Nylon Rip-stop Fabric with a Durable Water Repellent (DWR) Finish
Lining – Nylon Taffeta
850-fill DownTek™ – Repels water while maintaining insulating value - bluesign® Certified PFOA and PFOS free water repellent chemistry.
Bag Weight – Regular: 2lb / 907g | Long: 2lb 5oz / 1.05kg
Fill Weight – Regular: 14oz / 397g | Long: 16oz / 454g
Compressed Bag Size – Regular: 6" x 7" / 15 x 18cm | Long: 7" x 8" / 18 x 20cm
Stuff Sack Size – Regular: M 8" x 17./5" / M 20 x 45cm | Long: M 8" x 17.5" / M 20 x 45 cm
Shoulder Girth – Regular: 69" / 175cm | Long: 72" / 183cm
Hip Girth – Regular: 60" / 152cm | Long: 63" / 160cm
Foot Girth – Regular: 49" / 125cm | Long: 52" / 132cm
Pad Sleeve Fits 20 - 25" Wide Pads
Flex Pad Sleeve – Features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad.
Free Range Hood – Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit.
Streamlined Silhouette for Increased Thermal Efficiency
Anti-snag Zipper for a Smooth, Quick Zip
Mate Together Left and Right Zip Bags
No-draft Collar, No-draft Wedge, No-draft Zipper
Interior Fabric Loops for Sleeping Bag Liners
Exterior Loops for Hang Drying or Storage
Mesh Storage Sack & Polyester Ripstop Stuff Sack
Zipper Garage
Size | Long Left | Regular Left |
Length | Long | Regular |
Zipper Location | Left Side | Left Side |
Max User Height | 6'6" | 5'10" |
Weight (lbs) | 2.31 | 2 |
Weight (g) | 1050 | 907 |