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Big Agnes

Big Agnes Anthracite Women's Mummy Sleeping Bag 20F

  • 20 degree bag per the listing title, 3 seasons
  • 5 feet maximum height, Regular (Women's) size
  • 66 by 54 inches, 3.1 pounds
  • Fireline Pro Eco synthetic insulation, mummy shape
  • Recycled polyester ripstop shell, water-repellent finish
  • Contoured hood, draft collar, anti-snag zipper

Updated 23 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A women's cut three-season backpacking bag with synthetic fill and a rating shown in its title. The height limit is short, so taller women should check the length first.

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ASIN: B0FQ2CGRNKCategory: Sleeping Bags

Overview

Spring treks and late-season hunts are the setting for this women's cut of the Anthracite, a mummy bag with synthetic Fireline Pro Eco insulation. A contoured hood, draft collar and anti-snag zipper are listed beside a recycled polyester ripstop shell.

A woman-specific fit with synthetic insulation aimed at damp conditions is the attraction here, along with a rating stated in the title. The limits are a narrow mummy cut and a height ceiling that rules out many taller users, and the listing does not say whether the rating is comfort or limit.

Who it's for

Women at or under the listed height who carry their gear on foot are the intended users, and the description points to damp conditions and high-altitude chills. Taller women, those wanting a roomy cut, and anyone expecting an expedition-level winter bag should shop elsewhere.

Pros and cons

Pros
  • Synthetic insulation, recycled shell
  • Contoured hood and draft collar
  • Spare part availability is stated
Cons
  • Height limit suits shorter users only
  • Mummy cut is narrow
  • Rating type, comfort or limit, unstated
  • Stuff sack not part of included items

Performance notes

Insulation loft traps warm air, so the synthetic fill, hood and draft collar working together decide how well the bag holds heat. The women-specific cut trims dead space where a unisex pattern would leave air to warm. Synthetic fill tolerates damp conditions, and the water-repellent shell slows surface moisture.

Specifications

BrandBig Agnes
Dimensions & fit
Maximum Height Recommendation5 feet
SizeRegular (Women's)
Item weight3.1 poundslower than 53% of 33 sleeping bags
Item Dimensions L x W66 inches long by 54 inches wide
Capacity & performance
Temperature Rating20 degree (from listing title)
Construction & materials
Fill Material TypeFireline Pro Eco Synthetic Insulation
ShellMaterialRecycled polyester ripstop with water-repellent finish without intentionally added PFAS
ColorZirkel Alpenglow
Included components
Included ComponentsSleeping Bag
Other details
Occupancy1 Person
ShapeMummy
Closure TypeZipper
Seasons3 Seasons
Eu Spare Part Availability Duration10 years

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Frequently asked questions

Is the Big Agnes Anthracite Women's a winter sleeping bag?

It is listed as a 3 season mummy bag with a 20 degree rating in the title. It is not described as a winter or expedition bag.

Does the Anthracite Women's include a stuff sack?

The included components list the sleeping bag only.

What insulation does this bag use?

The fill is Fireline Pro Eco synthetic insulation. The listing describes no down.

Who is the women's regular size cut for?

The description calls out a woman-specific fit, and the maximum height recommendation is 5 feet.