Marmot Hiber Nest 15 Sleeping Bag - Long Cozy Coccoon Rest up with the Marmot Hiber Nest 15, a plush and roomy down sleeping bag that packs small and opens into a big quilt for ultimate versatility. The certified 650+ fill-power down keeps you warm through spring, summer, and fall adventures while resisting moisture and maintaining loft in damp conditions. The snag-free full-length zipper with extended blanket flaps converts your bag from mummy to quilt mode in seconds, while the additional side zipper provides extra ventilation options for temperature control. Wide mummy curves give you plenty of room to stretch out, roll around, and recharge in any sleeping position-all with 100% recycled shell and lining fabrics that keep your environmental footprint minimal. Features Full-length snag-free zipper plus side zipper converts bag to quilt with extended blanket flaps for bedlike comfort and precise temperature regulation650+ fill-power down with Down Defender treatment provides reliable three-season warmth while resisting moisture and maintaining loft Wide, roomy mummy shape with draft tube gives extra shoulder room and allows easy movement for side sleepers and those who sprawl SPECIFICATIONSIntended Use Backpacking, Bikepacking, Camping Season3-season Temperature Rating15degF / -9degC | Comfort: 23degF / -5degC | Limit: 11degF / -12degCInsulation Type650+ fill-power down with Down Defender water-resistant treatment Shell Material100% postconsumer recycled polyester ripstop with DWR finish Lining Material100% postconsumer recycled polyester plain weave Shape Mummy with full-length convertible zipper, side zipper, and extended blanket flaps Includes Compression sack and storage bag SIZINGSize / Max User Height Total Weight Girth (Shoulder/Hip/Foot)Stuff Sack Size Short / 5' 6"2 lbs 13 oz / 1. 27 kg60" / 49. 5" / 60. 5"8. 7" x 18"Regular / 6'3 lbs / 1. 36 kg62" / 62. 5" / 51. 5"8. 7" x 18"Long / 6'6"3 lbs 5 oz / 1. 49 kg64" / 53. 5" / 64. 5"8. 7" x 18" | Marmot | Hibernest 15 Long Sleeping Bag | Polyester