Sea To Summit Spark Ultralight Sleeping Bag (Grey/Yellow) (Regular) (28°F)

Sea To Summit Spark Ultralight Sleeping Bag (Grey/Yellow) (Regular) (28°F)
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Price: $379.00

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The Spark Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use. Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate girth for the performance-oriented backcountry user.


  • Designed to be used for ultralight backpacking 
  • Ultra-Dry Down 850+
  • Certified responsible down standard 
  • 10D shell and 7D liner materials come together to produce an incredible lightweight and compact size
  • Includes lightweight Ultra-Sil compression sack
  • 1/3-length side zipper
  • Torso and leg baffling for a comfort rating from 28°F-60°F
Temp Rating: 28°F 
Max User Height: 6ft
Bag Weight: 1lb 1.3oz 
Season Rating: 2 Seasons