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Sea to Summit Spark SP I



Sea to Summit Spark SP I

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

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Availability: In stock

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

  • Sewn through construction minimises weight

  • Sewn through vertical baffles on chest optimises position of down to prevent it moving during use

  • ½ zip with single slider aids access while keeping weight to a minimum

  • Updated sizing provides extra room for both shoulders and hips while still maintaining insulation efficiency

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

Technical details

Manufacturer Sea to Summit
Product name Spark SP I
Article number DCCSPARK1
Season 3 season
Model Unisex
Fill Goose Down
Cuin 850
Comfort rating 9°C
Comfort Limit 5°C
Extreme rating -9°C
Dimensions M : up to 183 cm - L : up to 198 cm
Shoulders - Hips - Feet: M : 150/130/88 cm - L : 158/138/94 cm
Outer shell Nylon 7 deniers
Inner lining Nylon 10 deniers
Fill Weights M : 180 g - L : 205 g
Weight M : 340 g - L 385 g
Zipper Left
Colour Gray


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