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Big Agnes Mirror Lake 20 Down Sleeping Bag (-7C) - Womens

Big Agnes Mirror Lake 20 Down Sleeping Bag (-7C) - Womens
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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.

Weight: 1.13kg / 2.50lbs
Fill: 600 Fill Power Water Repellent DownTek

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.

Bag Weight Petite: 2lb 6oz / 1.08kg
Regular: 2lb 8oz / 1.13kg
Fill Weight Petite: 22oz / 620g
Regular: 23oz / 650g
Compressed Bag Size Petite: 8" x 9" / 20 x 23cm
Regular: 8" x 10" / 20 x 25cm
Stuff Sack Size Petite: M 8" x 17.5" / M 20 x 45cm
Regular: M 8" x 17.5" / M 20 x 45cm

Nylon ripstop shell fabric with a water-repellent finish

Nylon taffeta lining

Baffled construction

600 fill DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.


Traditional Down Mummy Bags-2019 (Captioned)

Part Numbers

Option UPC MPN Store SKU
Petite 841487122652 BTMWMLPR19 SLE656676800