Big Agnes traditional down mummy bags deliver high value and performance in a lightweight bag. Ideal for backpacking but versatile enough for couch surfing, they are insulated with DownTek™ and use baffle construction for efficient heat distribution. If you’re in the market for a mummy shaped bag constructed with high quality, lightweight materials these bags are your ticket to traveling fast and light.

• Big Agnes traditional down mummy bags deliver technical, lightweight performance to excel on and off the trail with high thermal value, compressibility, and comfort wherever you go.
• Big Agnes Women’s mummy bags have a combination of increased insulation, as well as a fit that is shaped to contour to a woman’s body, creating an efficient sleeping bag for women, and ultimately a better night’s sleep. 
• Traditional mummy shape allows for lightweight and increased thermal value
• Contoured hood follows the shape of your head for a more comfortable fit
• Oversized interior anti-draft collar
• Low-profile cordlock lets you un-cinch the hood with one hand
• Breathable shell fabric with a water-repellent finish
• Anti-snag zipper for a smooth, quick zip
• 55"/140cm YKK #5 anti - snag locking zipper - petite bags
• 65"/165cm YKK #5 anti - snag locking zipper - regular bags
• Two-way zipper
• Zipper Garage
• Liner loops
• Mate together left and right-zip bags
• Mesh storage sack & nylon stuff sack
• No-draft collar and no-draft zipper
• Exterior loops for hang drying or storage
• Please note that some Mirror Lake sleeping bags and stuff sacks are marked incorrectly at 25 degrees. Be confident that these are 20 degree Down bags.

Specs Sizing