Greystone 20°

Down-Fill Traditional Mummy Sleeping Bag Our Greystone 20° mummy-style sleeping bag delivers value and performance in a lightweight design with sustainability in mind. Ideal for backpacking but versatile enough for couch surfing, the Greystone features 650 fill DownTek™ insulation, recycled shell and lining fabrics, and a water-resistant coating to repel moisture—your ticket to comfort and warmth wherever you go. Features All-gender design with lightweight, technical performance High thermal efficiency, compressibility, and comfort Water-repellent coating without intentionally added PFAS Traditional mummy shape for weight savings and heat retention Contoured hood for a natural, comfortable fit Oversized no-draft collar and no-draft zipper to block cold air Low-profile cordlock for one-handed hood adjustment Insulated tube along hood opening to seal out drafts 65" / 165 cm YKK #5 anti-snag locking zipper Two-way zipper with zipper garage (left side) Mate left-zip (All-Gender) with right-zip (Women's) bags Interior loops for sleeping bag liner (sold separately) Exterior loops for hang drying or storage Specs Total Weight: 2 lb 6 oz Total Fill Weight: 19 oz Compressed Size: 8.5" x 8.5" Stuff Sack Size: 21L | 9" x 20" Max User Height: 6' Recommended Pad: Works with any pad size or style (use higher insulation pads in colder conditions) Shoulder Girth: 60" Hip Girth: 54" Foot Girth: 36" Materials & Construction Shell: Recycled polyester ripstop with water-repellent finish (no intentionally added PFAS) Lining: Recycled polyester taffeta with water-repellent finish (no intentionally added PFAS) Insulation: 650 fill DownTek™ (bluesign® approved water-repellent chemistry, no intentionally added PFAS) Baffled construction Storage sack and stuff sack included