The Cosmic Ultra 800 DriDown sleeping bag is designed for chilly shoulder season nights. It features hydrophobic DriDown insulation that repels water and dries quickly. The trapezoidal baffle construction retains body heat effectively. An eco-friendly, PFC-free DWR coating provides water resistance. A draft tube helps seal out cold air for added warmth. The bag includes a zippered internal stash pocket for small essentials.