Details Sea to Summit Spark -9C/15F Down Sleeping Bag - Regular The Spark -9C sleeping bag is the perfect choice for lightweight, three to four season adventures, putting exceptional warmth and comfort at the forefront but packing down to 13L to be at home in your backpack. The 850+ FILL Power, RDS certified down offers an optimal warmth to weight ratio and makes this bag as comfortable as it is compact and easily packable. Weight: 730 g Technical fitted hood with soft touch adjustment. Extra deep with a front draft collar for a cosy feel. Mummy Fit: Fitted cut with generous footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight. Pairs with Women's Sea to Summit bags. Box wall baffle construction throughout. Primary zip - 3/4 length #5 with zip-plow and two sliders. Single, down-filled, draft tube along the top of all zips Fill weight: 480 g Comfort rating: -2°C | 20°F Lower limit: -8°C | 18°F Materials: Outer: 10-Denier Nylon shell and lining. 10-Denier Nylon waterproof-breathable hood and footbox. Insulation: 850+ FILL Power, RDS certified, Goose Down with Ultra Dry Down treatment for improved water resistance in damp conditions Dimensions: Shoulder width 155 cm Hip width: 135cm Foot width: 102cm Length: 185 cm Compressed size: 13L Specifications Spark -9C/15F Down Sleeping Bag