The Sea to Summit Spark SPII is an ultralight sleeping bag that is perfect for light backpacking or hiking adventures, overnights, and biking touring in warm weather. Featuring 850+ loft goose down insulation, a micro-weight 10D shell and 15D lining, it's one of the best warmth-for-weight minimalist sleeping bags available. The combination of its of size, weight and warmth make it an excellent summer sleeping bag and it can also be used as a booster bag, slipping inside another sleeping bag to add warmth.

  • 10D UL Nylon fabric shell
  •  15D nylon soft touch lining
  • 850+ fill Ultra-Dry Goose Down insulation, which is treated to repel moisture
  • Ultra-Dry Down retains 60% more loft and absorbs 30% less moisture than untreated down
  • Contoured mummy shape with a full hood
  • Will keep you warm in temperatures down to 35°F
  • 10D UL nylon shell treated with DWR and a 15D nylon soft touch liner for lightweight durability
  • 1/3 length YKK zipper maximizes warmth and minimizes weight
  • Lightweight Ultra-Sil compression sack and storage bag included
  • Temperature rating:  35° F
  • User height: 6 ft.
  • Shoulder girth: 57 in.
  • Hip girth: 50 in.
  • Foot girth: 37 in.
  • Fill weight: 9.9 oz.
  • Product weight: 16.4 oz.
  • Stuff sack size: 5 in x 10 in (uncompressed)
  • Spot clean
  • Imported
Weight1 - 1.9 lbs 16.4 oz.
Country of OriginImported
Style Number1303637
Product SKU19312400012
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