[face fabric] 100% recycled polyester ripstop Imported Tailored Fit & Lightweight: The Regular model fits adventurers up to 6’ / 183 cm, weighs only 2 lb 12 oz, and compresses down to 10” x 8”, making it an ideal compact sleeping bag for your backpacking gear kit. Warm & Contoured Design: Features a comfort-fit hood that follows the shape of your head, paired with a built-in oversized anti-draft collar and a no-draft zipper wedge to seal out the cold. FireLine Pro Eco Insulation: Utilizes 100% recycled multi-denier, short-staple synthetic fibers to provide reliable, efficient warmth and excellent compressibility even in damp camping conditions. Sustainable Technical Fabrics: Constructed with a soft, cozy recycled shell and lining featuring a PFAS-free water-repellent finish, offering an eco-friendly solution for your outdoor gear needs. User-Friendly Features: Outfitted with a two-way anti-snag zipper for smooth operation and easy foot venting, plus the ability to mate with women’s bags to create a double adult sleeping bag setup. Conquer the cold and sleep soundly with the Big Agnes Anthracite 20°F, a high-performance mummy sleeping bag designed for versatile trail performance. Whether you are facing damp conditions or high-altitude chills, this backpacking sleeping bag utilizes advanced FireLine Pro Eco synthetic insulation to provide high-loft warmth that retains heat even when wet. Engineered with a comfort-first contoured shape and recycled materials, the Anthracite offers the perfect balance of thermal efficiency and packability. From spring treks to late-season hunts, this cold weather sleeping bag ensures you stay cozy and recovered for the next day's journey.