Sea to Summit Spark Down Sleeping Bag -9C|15F - Long | Beluga

If you’re counting every gram but still want a restful night’s sleep, the Spark is probably the right sleeping bag for you.

Filled with RDS-certified goose down with a fill power of 850+ - which is PFAS-free and treated with Ultra-Dry Down - the Spark features a technical hood and a zipper cover to retain heat.

Features

• RDS-certified goose down fill with a fill power of 850+ and PFAS-free Ultra-Dry Down treatment for maximum performance
• Ultra-lightweight, breathable 10D nylon lining and 10D outer material with a PFAS-free DWR coating ensure that the hood and footbox are extremely water repellent
• Technical hood, anatomical footbox, and ergonomic mummy shape—ultra-light doesn’t have to mean ultra-tight
• YKK #5 zipper with zip plow and two sliders ensures reliable, snag-free operation.
• Contour Fit: A tailored cut with a spacious footbox and
  a technical hood to maximize warmth while minimizing weight and bulk.
• Hollow-chamber construction: fully hollow chambers for maximum warmth.
• Zip-Link: Can be connected to most women’s-specific Sea to Summit sleeping bags.

Materials

• Outer material: 100% nylon
• Lining: 100% nylon
• Down fill: 90/10 goose down
• Packing bag: 100% nylon (without trim)