Big Agnes Anthracite 20 (Fireline Pro)

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Vendor: Big Agnes SKU: BTMA20RL23


Our Anthracite 20° traditional mummy-style sleeping bag is designed to be taken anywhere and provide rest after a long day outside. Stay cozy with FireLine™ Pro Eco recycled synthetic insulation and stay dry with recycled shell and lining fabrics featuring a PFC-free moisture repellent coating. Lightweight enough to stuff in your pack for summer backpacking but comfortable enough for backyard campouts with the kids, this bag is so versatile and comfortable you’ll want to take it on every outing!            


•Our All-Gender Anthracite 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

•Exterior loops for hang drying or storage




•Total Weight:2lb 12oz•

•Total Fill Weight:30oz

•Compressed Bag Size:9" x 9"Stuff

•Sack Size:14L 8" x 17.5"

•Max User:Height:6'

•Recommended Pad Size:Works with any pad size or style.

•Use higher insulation pads in colder conditions.


•Hip Girth:54"

•Foot Girth:36"


•Total Weight:3lb 1oz

•Total Fill Weight:34oz

•Compressed Bag Size:9" x 11"Stuff Sack Size:21L 9" x 20"

•Max User Height:6' 6"

•Recommended Pad Size: Works with any pad size or style. Use higher insulation pads in colder conditions.

•Shoulder Gir: 63"

•Hip Girth: 57"

•Foot Girth: 39"


•Shell: recycled polyester ripstop with PFC-free water-repellent finish

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

•Fireline™ PRO Eco Recycled Synthetic Insulation is made with multi-denier, short-staple fibers with high loft to efficiently trap heat. Silky fibers provide a soft feel and great compression for packability.

•Shingled and offset quilt construction

•Stuff sack included


Synthetic 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 Tech Wash 

•Tumble dry low heat 

•Do not use fabric softeners 

•Do not bleach 

•Do not iron 

•Do not dry clean


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