Rab Alpine 600 Down 16degF Sleeping Bag Snug As A Bug In A Rug The Alpine 600 Down Sleeping Bag is designed for mountaineers and backpackers seeking reliable warmth in cold conditions. Filled with 650-fill-power European duck down and featuring a wind-resistant, lightweight outer shell, this bag ensures a cozy night's sleep during your alpine pursuits. Features Quality insulation, with hydrophobic duck down to maintain warmth in damp conditions Durable shell, with lightweight nylon ripstop for wind resistance and protection Baffle design reduces down migration and optimizes warmth Heat retention, with adjustable neck collar and 3/4 length zip with down-filled baffle For your essentials, there's an internal zippered stash pocket Simple storage, with a cotton storage sack and water-resistant base MFG#: QSM-91SPECIFICATIONSIntended Use Backpacking Season3 season Temperature Limit16deg F / -9deg CPacked Size15. 7" x 8. 6"Insulation650FP European Duck Down Material Nylon ripstop with water-resistant treatment Sizes Unisex - Regular, Long SIZINGSize Regular Long Weight37. 0 oz / 1050 g39. 0 oz / 1105 g Length84. 6"90. 6"Girth (Shoulder, Hip, Foot)63", 52. 8", 40. 2"63. 8", 53. 5", 40. 9"Max User Height6'6' 6" | Rab | Alpine 600 Down 16degF Sleeping Bag | Nylon