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Sine Sleeping Bag: 20F Down - Women's

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The sleeping bag redesigned.

The Kelty Women's Sine 20 Sleeping Bag comes with the protection and weight-saving mummy shape that backpackers look for, and a unique Arc Zipper System that allows you to sleep like you usually do at home. Two zippers run diagonally across the front of the bag so your arms and legs can splay while you sleep. This sleeping bag also boasts Kelty's most protective and lofty insulation. DriDown keeps the bag's weight down to two pounds, and it maintains its lofty warmth in moisture-riddled environments. Kelty also designed this bag with an adjustable hood and ergonomic toebox to keep you snug in cold weather, and the built-in pillow accommodates puffy jackets for extra comfort.


  • Light, protective, and innovative sleeping bag for backpacking
  • 800-fill DriDown maintains lofty warmth in wet climates
  • Unique Arc Zipper System allows ventilation and splaying
  • Thermal comfort hood and draft collar keep your neck and head comfy
  • Natural fit toebox ensures ergonomic comfort
  • Built-in pillow pocket for puffy jackets
  • Item #KEL007M
20D nylon ripstop, 20D nylon taffeta
800-fill DriDown
Arc Zipper system
Max User Height
5 ft 8 in
Draft Tube
1 pillow
20 F
European Norm Lower Limit Rating
19 F
Recommended Use
Manufacturer Warranty
limited lifetime