Flex 15°F Quilt by Katabatic Gear


Size: 5'6"
$ 459.99


Ships in 1-2 business days | Based in Salida, CO | Est. 2009

Updated for ’23!
By popular demand, updates include an internal stash pocket to keep your phone, water filter etc. warm overnight & secondary pad attachment points to match the Elite quilts.

A blanket style 15 degree sleeping bag that will truly keep the cold out. The Katabatic attachment system, down filled collar, and draft blocking foot box closure guard you from the cold. When you need some ventilation, the zippered foot box allows you to completely open to a blanket. The options in between are endless, and create a truly flexible sleep system.


  • Patented pad attachment system - unmatched versatility, comfort and efficiency in a quilt style sleeping bag
  • Elastic binding around the bottom opening prevents gaps and drafts at the sleeping pad
  • Differential cut allows for maximum loft from premium down
  • Continuous baffles - down can be manually moved as temperatures dictate for maximum versatility
  • Overstuffed collar fits comfortably against your neck to seal this critical area from drafts
  • Draft blocking foot box closure
  • Overstuffed baffles over the foot section


  • Silnylon Stuff Sack
  • Storage Bag - 100% recycled, breathable fabric
  • 2mm Cords for attaching to your pad
  • Webbing straps

    ***Discounts are not available on Katabatic Gear products.



    • Temperature rating: 15°F
    • Loft single side: 3.25"
    Size 5'6" 6' 6' Wide 6'6" 6'6" Wide
    Shoulder Width 54" 54" 58" 54" 58"
    Hip Width 45" 45" 48" 45" 48"
    Foot Width 39" 39" 43" 39" 43"
    Packed size 7.5" x 13" 7.5" x 13" 8" x 14.5" 7.5" x 13" 8" x 14.5"
    Fill weight 15.9oz 16.9oz 18.4oz 18.3oz 19.9oz
    Weight (total) 24.3oz 25.6oz 27.9oz 27.7oz 29.8oz


      • Outer fabric: Pertex Quantum Y Fuse Eco Ripstop (0.85oz/yd)
      • Inner fabric: Pertex Quantum Taffeta (1.0oz/yd)
      • Insulation: 900 Fill Power HyperDRY   Water-resistant Goose Down

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