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Big Agnes Greystone 30 Down Sleeping Bag (-1C)

Big Agnes Greystone 30 Down Sleeping Bag (-1C)
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The Big Agnes Greystone 30° 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!

Big Agnes All-Gender Greystone bags deliver technical, lightweight performance to excel on and off the trail with high thermal value, compressibility, and comfort wherever you go


PFC-free water repellent coating keeps you dry without the use of harmful chemicals


Traditional mummy shape allows for light weight 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


65"/165cm YKK #5 anti - snag locking zipper for a smooth, quick zip


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


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


Interior loops secure a liner for added warmth - liner sold separately

Total Weight: Regular 822g 1.81lbs
Long 879g 1.94lbs
Total Fill Weight: Regular 340g 12oz
Long 397g 14oz
Compressed Bag Size: Regular 19 x 20cm 7.5 x 8.0"
Long 22 x 23cm 8.5 x 9.0"
Stuff Sack Size: Regular 20 x 45cm 8 x 17.5"
Long 20 x 45cm 9 x 17.5"
Max User Height: Regular 183cm 6'
Long 198cm 6' 6"
Shoulder Girth: Regular 152cm 60"
Long 160cm 63"
Hip Girth: Regular 137cm 54"
Long 145cm 57"
Foot Girth: Regular 91cm 36"
Long 99cm 39"

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

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

Fill: 600 fill DownTek™ 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

Part Numbers

Option UPC MPN Store SKU
Regular 841487144043 BTMG30RL23 SLE577498823
Long 841487144050 BTMG30LL23 SLE58668313