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Sea To Summit Spark SpI Sleeping Bag: 40F Down

$319.00
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Spark SpI Sleeping Bag: 40 Degree Down

Weighing only 12 ounces, the Sea to Summit Spark Spl Sleeping Bag brings the comfort without the weight whether you're an ultralight backpacker, an adventure racer, a touring bicycler, or an alpine climber. Primarily focusing on giving you the lightest bag out there, Sea to Summit stuffed the Spark Spl with 850+ down for the best possible warmth-to-weight ratio that can still keep you nice and toasty in temps down to 45F. Going beyond just being ultralight, Sea to Summit's Ultra-Dry Down treatment also helps this bag resist moisture to enhance your comfort regardless of the conditions.

The Spark Spl has a contoured mummy shape to closely fit your body while you sleep. Its full hood wraps around your head to eliminate the possibility of waking up with freezing ears, and the 1/2-length zipper on the left helps maximize warmth when the temps drop. If you find yourself in colder conditions, the SpI can be utilized as an ultralight sleeping bag liner in another sleeping bag to keep you warmer through high alpine treks or winter camping. Finally, the Spark compresses small so you're able to stuff your pack with a few extras even if you are a minimalist.

  • Versatile, compact, and lightweight performance sleeping bag
  • Contoured mummy shape delivers comfort and efficient insulation
  • Warm Ultra-Dry Down insulates even when you're in wet conditions
  • Light shell fabric compresses down small for efficient packing
  • Vertical chest baffles prevent down migration to warm your core
  • 1/2-lengh zipper allows easy access while keeping weight down
  • Lightweight design allows use as a liner in colder conditions
  • Sea to Summit focuses on comfortable and lightweight products
  • Item #STS006Y

Material
[face fabric] 10D nylon, [lining] 7D nylon
Insulation
RDS 850+ Loft Premium Goose Ultra-Dry Down
Shape
contoured mummy
Zipper
1/2-zipper
Max User Height
[regular] 6ft, [long] 6ft 4in
Shoulder Circumference
[regular] 59in, [long] 62in
Hip Circumference
[regular] 51in, [long] 54in
Foot Circumference
[regular] 35in, [long] 38in
Venting
2-way zipper
Fill Weight
[regular] 6.3oz, [long] 7.2oz
Degree
40F
European Norm Comfort Rating
44F
European Norm Lower Limit Rating
40F
Storage Sack
storage cell
Stuff Sack
Ultra-Sil compression bag
Claimed Weight
[regular] 12oz, [long] 13.6oz
Recommended Use
backpacking, mountaineering, weekend camping, winter camping
Manufacturer Warranty
lifetime

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