The Big Agnes Anthracite 20 Degree Fireline Sleeping Bag is a versatile and lightweight sleeping bag designed for 3-season backpacking and camping. Its synthetic FireLine™ ECO insulation, made from 100% post-consumer recycled materials, provides reliable warmth even in damp conditions. This bag’s thoughtful design, including a contoured mummy shape and an integrated pillow barn, ensures a comfortable and cozy night’s sleep.

Key Features:

Temperature Rating: 20°F (-7°C) for 3-season use.
Insulation: FireLine™ ECO Synthetic Insulation is a lightweight, compressible, and highly efficient insulation that retains warmth even when wet. It’s also eco-friendly as it’s made from 100% recycled materials.
Design: A contoured mummy shape provides an efficient fit to maximize thermal retention. An integrated pillow barn keeps your pillow in place all night.
Construction: The bag features a silky, breathable nylon shell and lining. The anti-snag zipper ensures smooth operation.
Weight & Packability: Weighing in at just under 3 lbs, the Anthracite is a great choice for backpacking. It packs down small into a included stuff sack for easy transport.
Features: A regular right-zip allows for easy entry and exit. Internal loops are included for a sleeping bag liner, adding extra warmth.