DESC: Designed to keep you warm and be as lightweight as possible the Phantom 15 by Mountain Hardwear is a mummy cut sleeping bag great for colder conditions. Premium, 800-fill down provides outstanding, lightweight warmth. Performance mummy is cut snug, for maximum warmth and minimum weight. 5 baffle spacing keeps down carefully controlled for even, predictable loft. Lightweight two-way zipper for easy entry and exit. Down-filled face gasket comfortably blocks drafts at the hood opening. Six-chamber hood design maintains even loft around head for consistent warmth. Ergonomic draft collar blocks the escape of heated air from inside the bag. The two-piece collar drapes naturally over neck and shoulders creating a soft comfortable seal. Two draw cords can snug down as needed to secure the collar. Insulated draft tube with anti-snag panel prevents cold spots along zipper. Comfort Footbox follows natural foot position for maximum warmth and comfort. Single-handed drawcords simplify adjustments.