DESIGN & DETAILS: Warm and sustainable sleeping bag perfect for your next cold backpacking adventure Designed with ExpeDry water-repellent technology that increases your bag's down performance while reducing drying time ISO-tested comfort level that's right around freezing Anti-snag slider on main zipper Fold down second zipper provides added ventilation and easy access in and out of the bag Super packable 800-fill power down bag is ultralightweight and easy to carry in your pack Can convert into a bivvy or a lofty trunk or rooftop snoozer Anatomically designed footbox with wrap-around construction increases warmth Smooth, curved baffles reduce down from shifting and increase durability to reduce inconsistent heating inside the bag Fixed hood gives you full coverage