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Style: Regular
Features
- 18-degree Fahrenheit (-8-degree Celsius) ultralight down sleeping bag for 2-season backpacking, bike packing, and touring; technical mummy shape features hood and zipper draft tubes
- High-loft 850 fill power down insulation (Responsible Down Standard certified) treated with ULTRA-DRY Down to improve reaction to moisture, retaining loft and performance
- Ultralight, compressible 10D nylon shell with 7D liner fabric for minimal weight and bulk; full-length, left-side YKK zipper
- Broad mummy shape provides adequate room for a natural sleeping position; baffle construction is fine-tuned to the temperature rating and prevents down fill from shifting
- Regular size bag has a max user height of six feet; bag weighs 1.5 pounds; compresses to 4.6 liters with included Ultra-Sil compression sack
Description
The Sea to Summit Spark 18-Degree Ultralight Down Sleeping Bag is a technical down bag, engineered for warmth at the lightest weight and smallest compressed size. Ideal for backpacking, bike packing, and touring, the mummy style features a shaped hood and zipper draft tubes to keep the cold out and the warmth in. High-loft, 850 fill power down insulation (Responsible Down Standard certified) is treated with proprietary ULTRA-DRY Down to improve reaction to moisture, retaining loft and performance in rugged conditions. The technical mummy shape provides adequate room for a natural sleeping position, while baffle construction is fine-tuned to the temperature rating and prevents down fill from shifting during sleep. The ultralight 10D nylon shell with 7D liner fabric offers cutting-edge packability and warmth. A weight-saving YKK zipper is full-length, on the left side. The Sea to Summit Spark 18-Degree Ultralight Down Sleeping Bag is available in two sizes: Regular (max user height of six feet) and Long (max user height of six feet six inches). Includes Ultra-Sil compression sack and storage cube. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.
Item Package Dimensions L x W x H: 20.43 x 15.12 x 10.04 inches
Package Weight: 0.89 Kilograms
Item Dimensions LxWxH: 18.11 x 11.81 x 9.06 inches
Item Weight: 0.5 Kilograms
Brand Name: Sea to Summit
Warranty Description: Manufacturer guarantee against defects in materials or workmanship for the lifetime of the product
Manufacturer: Sea to Summit
Part Number: S2131
Model Year: 2019
Style: Regular
Outer Material: Nylon
Fill Material Type: Down
Size: regular
Date First Available: April 9, 2019
Frequently asked questions
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