Sea to Summit - Spark -1°C Down Sleeping Bag - Down sleeping bag

£411.95 £350.16 incl. duties and taxes
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At a glance

% recommend
100% recommend
Customers say: Lightweight
Customers say: Easily compressed
Customers say: Price/performance
Mummy
Coated outer
Draft collar
Hydrophobic down
Three seasons
°C comfort rating
4°C comfort rating
Shop consciously!
 g
493 g

Material information & features

Suitable for:
Design:
mummy sleeping bag
Recommended use:
camping, trekking
Main material:
100% polyamide
Insulation:
100% down
Material type:
down insulation, goose down
Material note:
contains non-textile parts of animal origin
Fabric treatment:
DWR treated, hydrophobic down
Fabric properties:
breathable, insulated, water-repellent
Fill power:
850+ cuin
Fill weight:
Regular: 265 g; Long: 305 g
Shop consciously:
contains RDS certified down, PFC-/PFAS-free
Closure:
1/2-length, side zip
Comfort rating:
4 °C
Lower limit rating:
-1 °C
Season:
three seasons
Dimensions (interior):
Regular: 185 cm; Long: 198 cm
Packed dimensions:
Regular: 4.5 l; Long: 5.1 l
Weight:
493 g
Reference size:
Regular size
Extras:
adjustable hood, draught collar
Misc:
Long: 536 g
Item No.:
513-1633

Product description

Versatile, compact down sleeping bag for all your outdoor adventures

The Spark -1° down sleeping bag from the outdoor specialists at Sea to Summit is the Swiss Army knife of sleeping bags! With a lower limit of -1° Celsius and a comfort temperature of 4°C, this sleeping bag is certainly more suitable for the cooler times of the year, even if not for really harsh winters. However, it can also be used as a blanket should the weather become too mild. The mummy sleeping bag offers a fitted cut, while still leaving you room thanks to its generous foot box. The technical, comparatively large hood offers you both the best insulation performance and cosy comfort. Plus, the Spark -1° can also be combined with Sea to Summit quilts. Lastly, an ergonomically-shaped draught collar offers extra protection from the cold.

First-class choice of materials and workmanship

The outer material of the Spark -1° is both waterproof and breathable, ensuring extra comfort both inside and outside of a tent. In addition, the RDS-certified goose down insulation boasts a fill power of 850+ cuin, which ensures top-class thermal performance. The down has been treated with Ultra Dry Down technology so that it has greatly improved water resistance and continues to warm even in damp conditions and does not lose its fluffiness so quickly either. This sleeping bag features an intelligent baffle construction that has been adapted to the human anatomy, which ensures optimal heat distribution.

The advantages at a glance:

  • Compact cut, versatile mummy sleeping bag
  • High heat retention
  • Moisture-resistant down treatment
  • Intelligent construction
Alpinetrek expert Hannes

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Reviews overview

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100%
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This is what customers from around the world say:

Helene's profile picture
Helene
29.10.2024

  • Advantages
    Lightweight
    Easily compressed
    Price / performance
Peter's profile picture
Peter
12.02.2025

  • Advantages
    Easily compressed
    Roomy
    Lightweight
    Price / performance

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