Spark SpIII
Spark SpIII
Spark SpIII

Spark SpIII

Regular price$559.57
Shipping calculated at checkout.

The ultralight sleeping bag that gives you three-season warmth without the weight


  • Super-compressible 850+ loft non-PFC ULTRA-DRY Down provides maximum warmth-to-weight ratio
  • Ultralight, not ultra-tight: Hooded contoured mummy shape for comfort and efficient insulation, with extra space for layered clothing or extra wriggle room
  • Box-baffle construction throughout maximises warmth
  • Vertical torso box baffles prevent down shift when you move in your sleep, eliminating cold spots
  • Drawcorded hood and front draft collars help trap warmth
  • Draft tube with anti-snag strip prevents heat loss through the zipper
  • The full-length #5 YKK zipper with two sliders provides easy access and warm-weather ventilation
  • Field repairable: The open-end zip allows slider to be easily re-threaded for on-the-go repairs
  • non-PFC fabrics: 10D Nylon shell and 7D Nylon liner fabrics are DWR treated and non-PFC
  • Ethically sourced down: Responsible Down Standard (RDS) Certified
  • Spark and Flame sleeping bags with like sized zips pair together
  • QuiltLock System compatible—securely connect any Sea to Summit quilt to your sleeping bag to boost your sleep system’s performance for colder conditions
  • Includes a Sea to Summit Ultra-Sil Nano Compression Sack and larger storage cell

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