Big Agnes Anthracite 20
Big Agnes Anthracite 20
Big Agnes Anthracite 20
Big Agnes Anthracite 20
Big Agnes Anthracite 20
Big Agnes Anthracite 20
Big Agnes

Big Agnes Anthracite 20

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Anthracite 20°
Synthetic-fill traditional mummy sleeping bag
Description

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 moisture repellent coating without intentionally added PFAS. 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!

Features
Performance
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
Water Repellent
Water repellent coating without intentionally added PFAS keeps you dry without the use of harmful chemicals
Shape
Traditional mummy shape allows for light weight and increased body heat retention
Hood
Contoured hood follows the shape of your head for a more comfortable fit
Draft Protection
Oversized no-draft collar and no-draft zipper to keep the cold out
Cordlock
Low-profile cordlock lets you uncinch the hood with one hand
Insulated Tube
Insulated tube along upper hood opening seals out drafts when cinched
Zipper
65"/165cm YKK #5 anti-snag locking zipper for a smooth, quick zip
Positioning
Two-way zipper and Zipper Garage positioned on sleeper's left side of bag
Mateable
Mate together left (All-Gender) and right (Women's) zip bags to share warmth with your tent mate
Interior Loops
Interior loops secure a liner for added warmth - liner sold separately
Exterior Loops
Exterior loops for hang drying or storage
Specs - Regular
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.
Shoulder Girth
60"
Hip Girth
54"
Foot Girth
36"
Specs - Long
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 Girth
63"
Hip Girth
57"
Foot Girth
39"
Materials
Shell
Recycled polyester ripstop with water-repellent finish without intentionally added PFAS
Lining
Recycled polyester with water-repellent finish without intentionally added PFAS
Insulation
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.
Construction
Shingled and offset quilt construction
Included
Stuff sack included
Storage
Guidelines
Keep your bag hanging if possible, or otherwise uncompressed. Store in a cool, dry place away from heat sources.
Cleaning
Machine Wash
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.
Settings
Wash on a warm, gentle cycle. Tumble dry low heat.
Soap
Use gear specific soap, we recommend Nikwax Tech Wash.
Important Notes
Warnings
Do not use fabric softeners. Do not bleach. Do not iron. Do not dry clean.
Repairs and Warranty
Coverage
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 caused by uses other than intended. Damage due to misuse, normal wear and tear, or improper care may be repaired, at the discretion of Big Agnes, at a reasonable charge. Gear returned for repair must be clean and free of debris.

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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