Sea to Summit Spark Pro 30 Sleeping Bag
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Detail
- RDS-certified, 950-fill-power goose down with a non-PFC Ultra-Dry Down treatment for maximum thermal performance
- Featherweight, 10-denier nylon shell with non-PFC durable water repellent (DWR) finish and highly breathable, 10-denier nylon liner for enhanced comfort
- Technical hood, anatomic footbox and an ergonomic mummy shape means the sleeping bag is ultralight but not ultra-tight
- Free Flow Zip System features a YKK #5 side zipper with zipper plow for reliable, snag-free operation and YKK #3 footbox and shoulder zippers for minimal additional weight
- Front draft collar is fitted around the neck and oversized at the shoulders to retain warmth
- Hybrid construction has box baffles in the torso and sewn through in the leg area
- Sea to Summit Guarantee is offered for the Lifetime of this sleeping bag
Imported.
Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.View all Sea to Summit Backpacking Sleeping Bags
Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women's bags, to the Lower Limit rating for men's bags, or somewhere in the middle for nongendered bags.Best Use Backpacking
Tested Lower Limit 30 degrees (F) - ISO
Tested Comfort 37 degrees (F) - ISO
Temperature Rating (F) 30 degrees (F)
Temperature Rating (C) -1 degrees (C)
Weight Regular: 1 lb. 5.8 oz.
Long: 1 lb. 7.7 oz.
Shell Nylon
Zipper Location Left/Right
Insulation Type Down
Water-Resistant Down Yes
Fill 950-fill-power goose down
Fill Weight Regular: 10.9 ounces
Long: 12.6 ounces
Sleeping Capacity 1-person
Lining Nylon
Sleeping Bag Shape Mummy
Fits Up To (in.) Regular: 72.5 inches
Long: 77.5 inches
Shoulder Girth (in.) Regular: 61 inches
Long: 65 inches
Hip Girth (in.) Regular: 53.1 inches
Long: 57.1 inches
Stuff Sack Volume 8 liters
Compressed Volume Regular: 5.3 liters
Long: 5.5 liters
Gender Unisex
Sustainability Down certified to the Responsible Down Standard (RDS)
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