Spark -9C/15F Beluga Black

Spark -9C/15F, by Sea To Summit, is a sleeping bag offering an optimal warmth-to-weight ratio and an 850+ fill power, a choice as comfortable as it is compact and easy to store.

The Mummy cut maximizes thermal efficiency and offers better heat retention with a lightweight design for warmth, compactness and outdoor comfort.

• RDS certified 850+ goose down, treated with Ultra Dry Down for improved water resistance in wet conditions.
• Shell and lining in 10 denier Nylon. Hood and footbox in waterproof and breathable 10 denier Nylon.
• Mummy cut: fitted cut with generous footbox and technical hood, to maximize thermal efficiency and minimize volume and weight.
• Main zipper - 3/4 length #5 with draft tube and two sliders.
• Box wall baffle construction throughout.
• Double draft collars
• Fitted technical hood with soft-touch adjustment. Extra deep for a comfortable feel.
• Single down-filled draft tube along the top of all zippers.
• Pairs with Sea to Summit women's sleeping bags.