Our Greystone 30° mummy-style sleeping bag delivers value and performance in a lightweight bag with sustainability in mind. Ideal for backpacking but versatile enough for couch surfing, the Greystone sleeping bags feature 600 fill DownTek™ insulation, recycled shell and lining fabrics, and a water-resistant coating to repel moisture. This bag is your ticket to getting out there in comfort and warmth! Features: - Our All-Gender Greystone bags deliver technical, lightweight performance to excel on and off the trail with high thermal value, compressibility, and comfort wherever you go - Water repellent coating without intentionally added PFAS keeps you dry without the use of harmful chemicals - Traditional mummy shape allows for light weight and increased body heat retention - Contoured hood follows the shape of your head for a more comfortable fit - Oversized no-draft collar and no-draft zipper to keep the cold out - Low-profile cordlock lets you uncinch the hood with one hand - Insulated tube along upper hood opening seals out drafts when cinched - 65"/165cm YKK #5 anti - snag locking zipper for a smooth, quick zip - Two-way zipper and Zipper Garage positioned on sleeper's left side of bag - Mate together left (All-Gender) and right (Women's) zip bags to share warmth with your tent mate - Interior loops secure a liner for added warmth - liner sold separately - Exterior loops for hang drying or storage