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Item # BGA9G203M

Big Agnes Greystone 0 Degree Sleeping Bag

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Get great cold-weather performance with the Big Agnes Greystone 0 Degree sleeping bag. The fuss-free design uses cozy down insulation and a mummy shape for lightweight compressibility that keeps you warm when the temperatures drop.


  • Traditional down insulation for compressible warmth: Down's compressibility and warmth-to-weight ratio make it tough to beat for backpacking in comfort. The Greystone's 600 fill offers additional versatility thanks to the DownTek treatment that resists moisture in damp conditions, helping the down to retain its insulating properties and dry out faster if your bag does become wet.
  • Warmth-efficient fit: The streamlined mummy shape helps keep weight to a minimum and makes it easier to stay warm all night long. A two-way zipper lets you vent the bag on warmer nights.
  • Anti-draft features for greater comfort: A cinchable hood has insulated tubing along the upper opening and collar for sealed-in warmth. The zipper also has anti-draft protection so cold air can't sneak in.
  • Conscious construction: Big Agnes uses 100% RDS certified down fill for insulation, and the DownTek treatment uses a bluesign certified PFC-free process for water repellency. Recycled polyester makes up the lining and shell fabric.

Sizing and Storage
The Greystone 0 Degree sleeping bag is available in Regular (fits up to 6') and Long (fits up to 6'6") sizes. The Regular has a shoulder girth of 60 inches and tapers down to 36 inches at the footbox. The Long has a shoulder girth of 63 inches and tapers down to 39 inches at the footbox. Interior liner loops can be used to secure a bag liner and exterior loops let you hang the bag for storage or drying. A stuff sack and storage sack are included.

Technical Specs

Best Use
Backpacking, Camping
Fill Material
600 fill DownTek with bluesign Certified PFC-free water-repellent chemistry
Fits To Girth
Regular: 60"
Long: 63"
(Shoulder girth)
Fits To Length
Regular: 6'
Long: 6' 6"
Temperature Rating
0 degrees F
Insulation Type
Item Weight
Regular: 3 lbs 5 oz
Long: 3 lbs 9 oz
Storage bag and stuff sack included
Limited Lifetime
Packed Size
Regular: 9" x 12"
Long: 9" x 13"
Shell Material
Recycled polyester ripstop with PFC-free water-repellent finish
Liner Material
Recycled polyester taffeta with PFC-free water-repellent finish

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