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Big Agnes Greystone 20 Down Sleeping Bag - Women's (-7C)

Big Agnes Greystone 20 Down Sleeping Bag - Women's (-7C)
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The Big Agnes Women's Greystone 20° mummy-style sleeping bag delivers value and performance in a lightweight bag with sustainability in mind.

Ideal for backpacking but versatile enough for couch surfing, the Greystone sleeping bags feature 600 fill DownTek™ insulation, recycled shell and lining fabrics, and a PFC-free coating to repel moisture. This bag is your ticket to getting out there in comfort and warmth!

The Big Agnes Women’s Greystone 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 body heat retention


Contoured hood follows the shape of your head for a more comfortable fit


Oversized no-draft collar and no-draft zipper to keep the cold out


Low-profile cordlock lets you uncinch the hood with one hand Insulated tube along upper hood opening seals out drafts when cinched


Anti-snag locking zipper for a smooth, quick zip


55"/140cm YKK #5 zipper - regular size


65"/165cm YKK #5 zipper - long size


Two-way zipper and Zipper Garage positioned on sleeper's right side of bag


Mate together left (All-Gender) and right (Women's) zip bags to share warmth with your tent mate


Women's Regular (Up to 5'6") and Women's Long (Up to 6')


Shell: Recycled polyester ripstop with PFC-free water-repellent finish


Lining: recycled polyester taffeta with PFC-free water-repellent finish


Fill: 600 fill DownTek™ repels water while maintaining insulating value, with bluesign® approved PFC-free water-repellent chemistry


Baffled construction


Storage sack & stuff sack included

Down Sleeping Bag Care:




Keep your bag hanging if possible, or in its included mesh storage sack

Store in a cool, dry place away from heat sources




Even dirtbags wash their bags!

Machine wash in a washing machine WITHOUT AN AGITATOR, agitators are likely to cause damage to your gear

Oversized bags require oversized machines, you may need to go to a laundromat to wash your larger bags

Wash on a warm, gentle cycle

Use gear specific soap, we recommend Nikwax Down Wash Direct

Rinse twice

Tumble dry low heat with clean tennis balls

Finish by drying on high heat in 5 minute intervals to loft down

*Allow to cool between intervals to avoid damage to shell*


Do not use fabric softeners

Do not bleach

Do not iron

Do not dry clean


Repairs and Warranty:


All Big Agnes gear is guaranteed against manufacturing or material defect. We do not warranty products damaged from normal wear and tear, alteration made by owner, misuse, accidents, or damages cause

Total Weight: Regular 1.05kg 2.31lbs
Long 1.16kg 2.56lbs
Total Fill Weight: Regular 624g 22oz
Long 680g 24oz
Compressed Bag Size: Regular 19 x 22cm 7.5 x 8.5"
Long 20 x 23cm 8.0 x 9.0"
Stuff Sack Size: Regular 23 x 51cm 9 x 20"
Long 23 x 51cm 9 x 20"
Max User Height: Regular 168cm 5' 6"
Long 183cm 6'
Shoulder Girth: Regular 137cm 54"
Long 145cm 57"
Hip Girth: Regular 135cm 53"
Long 145cm 56"
Foot Girth: Regular 84cm 33"
Long 91cm 36"

Part Numbers

Option UPC MPN Store SKU
Regular 841487144081 BTMWG20RR23 SLE581748883
Long 841487144098 BTMWG20LR23 SLE595303023