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When shoulder-season temps drop and rain moves in, the Anthracite 20 is our go-to synthetic bag for three-season backpackers who can't afford a wet-down disaster. FireLine Pro Recycled insulation holds heat even when damp and dries fast — a real edge in the Southeast. Multiple fit options mean you're not wrestling an ill-fitting bag all night.
Big Agnes Anthracite 20 FireLine Pro Sleeping Bag
$111.97
- 20°F comfort rating handles three-season and shoulder-season trips across Southern and mountain conditions
- FireLine Pro Recycled synthetic insulation stays warm when wet and dries quickly — no down-gets-soaked setbacks on rainy nights
- Available in Regular, Long, and Wide Long fits so your body type gets a proper match for better sleep
- Left-hand zipper pairs with any right-zip bag for a double setup when sharing camp with a partner
- Recycled insulation and materials reduce environmental impact without giving up warmth or durability