The Cosmic Ultra 800 DriDown sleeping bag is lightweight and designed for winter and shoulder seasons. It features DriDown insulation that lofts better, dries faster, and stays dry longer. Its water-resistant, eco-friendly C0 and PFC-free DWR coating, new trapezoidal baffle design, and natural-fit footbox enhance heat retention and comfort. Includes a zippered internal stash pocket for small essentials.