Sea to Summit - Spark SpIII - Down sleeping bag

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At a glance

% recommend
100% recommend
Customers say: Easily compressed
Customers say: Easily compressed
Customers say: Lightweight
Customers say: Lightweight
Customers say: Price/performance
Customers say: Price/performance
Hydrophobic down
Hydrophobic down
Draft collar
Draft collar
°C comfort rating
-2°C comfort rating
 g
665 g
Material information & features
Suitable for:
Recommended use:
Expedition, Trekking
Main material:
100% polyamide
Insulation:
100% down
Inner material:
100% polyamide
Material type:
goose down
Material note:
contains non-textile parts of animal origin
Fabric treatment:
hydrophobic down
Fill power:
850+ cuin
Down-to-feather ratio:
90/10 (down to feather)
Sustainability:
contains RDS certified down
Closure:
full length, side zip
Comfort rating:
-2 °C
Lower limit rating:
-8 °C
Extreme rating:
-26 °C
Season:
4-season
Dimensions (interior):
max. height Regular/Long: 183/192 cm
Weight:
665 g
Reference size:
Regular size
Extras:
incl. compression sack, adjustable hood, draught collar
Item No.:
513-1010
Product description

Designed to withstand various weather conditions and be as lightweight as possible, all Spark sleeping bags are not only ultra-light and extremely packable but also incredibly warm.

Spark sleeping bags owe their incredible performance to the perfected design and premium materials chosen by the experts at Sea to Summit. They’re filled with very high-quality 850+ Loft 90/10 goose down, which has been treated with ULTRA-DRY Down to fend off moisture coming from the inside and outside. Plus, the sleeping bag is equipped with an extra-light YKK #3 zip and features a 10D nylon shell and 7D lining. When combined with the contoured mummy shape, these materials deliver efficient insulation and boast one of the best warmth-to-weight ratios you can find.

The vertical chest baffles contain a large amount of down and distribute it evenly across the upper portion of the bag to prevent cold spots. Thanks to its expedition size, the Spark SpIII remains spacious and comfortable, even if you’re wearing an extra layer of clothing. The full-length zip with two sliders makes for easy entry and gives you a variable ventilation option. The draught tube, hood and collar work together to provide optimum insulation.

Thanks to its incredible design and excellent features, the Spark SpIII sleeping bag is a solid option for lightweight adventures in places where down has never really been a viable option before.

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Reviews overview
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100%
recommend this product
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  • Advantages
    Lightweight
    Price / performance
    Easily compressed

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