[face fabric] 10D recycled nylon Ghost ripstop Made in the USA or Imported Premium 850-fill down insulation for optimal warmth and compressibility Lightweight recycled shell for high compressibility and minimal weight Easy-to-use, anti-snag zipper for ventilation and access Four-chamber hood design for consistent head warmth Quick-drying, heat-retaining black lining Zipper-taped construction for reduced snagging and weight Contoured footbox for natural foot position and maximum warmth Draft collar to prevent warm air escape Angled baffles near hood to minimize down shifting Efficient mummy cut for maximum warmth and minimal weight Comfortable down-filled face gasket to block drafts Adjustable external hood cinch Glow-in-the-dark, reflective zipper pull for easy use Durable water-repellent finish for protection Left and right zippers available for zip-together functionality The Mountain Hardwear Phantom 0 Degree Down Sleeping Bag is perfect for high-alpine traverses, backcountry hut trips, and extended backpacking adventures. A versatile down bag suitable for climbers, skiers, or backpackers, it's an essential part of any overnight gear kit.