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Sea to Summit Spark SP II


Sea to Summit Spark SP II

ULTRA-DRY Down protection and warmth in a minimalist package.

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The opinion of Aventure Nordique

Using 850+ loft goose down treated with the amazing moisture repelling ULTRA-DRY Down, a micro-weight 7D shell and 10D lining, the Spark is one of the best warmth for weight minimalist sleeping bags available.


  • Ultralight 7D and 10D fabrics for minimal weight and packed size

  • RDS 850+ Loft Premium Goose ULTRA-DRY Down for maximum insulation value

  • Contoured mummy shape for comfort and efficient insulation

  • Vertical chest baffles prevent down migration and cold spots

  • Vertical box baffles in the torso area accommodates extra down and boosts warmth around the core, vertical baffles on chest optimises positions of down to prevent it moving during use

  • Lower part of the bag uses a sewn through horizontal baffle construction to minimise weight

  • ½ zip with two sliders aids access and allows ventilation from mid-section of bag

  • Draft tube prevents heat loss through the zipper

  • Includes hood draft collar

  • Includes lightweight Ultra-Sil Nano compression bag for compact storage

Technical details

Manufacturer Sea to Summit
Product name Spark SP II
Article number DSBSP2
Season 3 season
Model Unisex
Fill Goose Down
Cuin 850
Comfort rating 4°C
Comfort Limit -2°C
Extreme rating -18°C
Dimensions M : up to 183 cm - L : up to 198 cm
Warranty 2 ans
Shoulders - Hips - Feet: R : 150/130/88 cm - L : 158/138/94 cm
Folded size R : ø13 x 25 cm - L : ø13 x 25 cm
Outer shell Nylon 10 deniers
Inner lining Nylon 7 deniers
Fill Weights R : 300 g - L : 345 g
Weight R : 490 g - L : 560 g
Zipper Left
Colour Grey
Eco-responsible contribution The Responsible Down Standard (RDS) label guarantees the protection of goose and ducks reared for the production of sleeping bags or down jackets containing feathers and down. The RDS lining means that it does not come from animals that have been subjected to cruel treatment. This label allows traceability to identify the origin of the down.
Country of Manufacture China


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