Big Agnes Anthracite 20 (Fireline Pro) Hardshell Mechanical stretch

Mechanical stretch

midsole foam and sole geometry activates forward propulsion and ensures stability on trails

providing a clearer view of your foot placements when mountaineering and climbing

SolesVibram® XS Trek

Big Agnes Anthracite 20 (Fireline Pro) Hardshell Mechanical stretchOur 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