Sea To Summit Spark SPII Down Sleeping Bag, Reg 490g, Long 560g

Model: Regular
Sale price$470.00


Sea to Summit's new ultralight Spark SPII sleeping bag is designed to keep you as warm as possible while minimising packed weight and size. Great for adventure when you need a high performance sleeping bag but don’t want to be weighed down by one, Sea to Summit’s Spark Series Bags are what you reach for.

The Spark II's temperature rating is 4°C Comfort, -2°C Lower limit (-18°C Extreme). Weighs just 490g (regular length) or 560g (long version) and packs down to 25cm x 13cm diameter.

The Spark SPII combines ULTRA-DRY Down™ 850+ loft premium goose down, light-gauge #3 YKK® zip, high-performance 10D nylon shell and 7D lining fabrics and a contoured mummy shape for efficient insulation and superior performance.

Other features include a hybrid construction with box wall baffles over the torso for core warmth and a sewn through construction at the legs to shave weight, a half-length zip and a draft tube and a full hood to keep in your warmth. A 3-season adventure bag.



  • Contoured mummy design for efficient insulation, with updated sizing that provides extra room for shoulders and hips
  • RDS 850+ Loft ULTRA-DRY Down for superior insulating power, moisture resistance and compressibility (Responsible Down Standard certified)
  • 10D Nylon shell and 7D lining fabrics
  • Vertical chest baffles prevent down migration and cold spots
  • Horizontal sewn-through baffles in the lower half of the bag minimise weight
  • Half zip with two sliders to aid access and allow ventilation from bag's mid-section
  • Draft tube and draft collar prevents heat loss through the zipper and hood
  • Includes storage cell and lightweight Ultra-Sil compression bag for compact storage.


  • Colour: Dark Grey / Yellow
  • Weight: Regular 490g (fill weight 300g), Long 560g
  • Circumference Dimensions: chest 150cm x hip 130cm x foot 88cm
  • User Height: Regular - up to 183cm, Long - up to 198cm
  • Compression Sack Size: 2XS
  • Length: Regular or Long
  • Shape: Mummy
  • Insulation Type: RDS 850+ Loft ULTRA-DRY
  • Temperature Ratings: 4°C Comfort, -2°C Lower limit, -18°C Extreme
  • Zipper Position : Left

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