Kelty Women's Cosmic 32 Degree DriDown Sleeping Bag - The Women's Cosmic 32 Degree DriDown Sleeping Bag by Kelty will keep you toasty warm even on those really brisk evenings. This 3-season bag which is designed for women offers great warmth with 550-fill down while, still being low-weight. The DriDown creates a hydrophobic finish on each individual down plume. Revolutionary water-resistant down fill- stays drier, lofts better and dries faster, keeping you warmer in any environment. The mummy shape, ground-level seams, Top Draft Collar, and differential cut maximize warmth and comfort.