Sea To Summit Spark Pro Down Long sleeping bag -9C Beluga

Category: Winter sleeping bags
Brand: Sea to Summit
Our Code: ASL041071-210106

Our Code: ASL041071-210106

Sea To Summit Spark Pro Down Long sleeping bag -9C Beluga

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A down mummy sleeping bag for trekking with a limit temperature of -9 °C, 950+ cuin fill, and a weight of 861 g for cold nights in the backcountry.

Detailed Description

An Australian brand founded by the talented Roland Tyson in 1983. He soon began designing and manufacturing equipment for Australian adventurers. The name came from Tim Macartney-Snape, who was the…

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A down mummy sleeping bag for trekking with a limit temperature of -9 °C, 950+ cuin fill, and a weight of 861 g for cold nights in the backcountry.

Detailed Description

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Description

Some parts of this page are translated automatically, so please excuse any imperfections.

The evening in the mountains falls silent, the temperature drops, and you want just one thing: a peaceful, warm night’s sleep. Sea To Summit Spark Pro Down Long sleeping bag -9C Beluga is a lightweight companion that will keep you comfortable even on demanding treks.

Main benefits

Down with 950+ cuin fill power and a 90/10 ratio creates high loft, keeping warmth where you need it. The insulation is designed to be lightweight while maintaining true comfort.

The mummy cut with a technical hood and anatomically shaped footbox helps reduce heat loss. At the same time, it doesn’t feel restrictive, so you can naturally turn over during the night.

Breathable 10D polyamide fabrics on both the outside and inside provide a pleasant feel against the skin. This makes the sleeping bag perform well even during multi-day use, when cold and moisture alternate.

The Free-Flow Zip system allows effective ventilation and lets you open the sleeping bag out flat like a blanket. The left YKK #5 zipper is designed for smooth operation without snagging.

Technical specifications

The comfort temperature is -3 °C according to EN13537.

The limit temperature is -9 °C according to EN13537.

The extreme temperature is -24 °C according to EN13537.

The total weight of the sleeping bag is 861 g.

Conclusion

Sea To Summit Spark Pro Down Long -9C Beluga is a down sleeping bag for trekking where every gram and every hour of sleep counts. A length of 211 cm and a maximum user height of 198 cm provide room even for taller users.

The box-baffle chamber construction helps keep the down in place and stabilizes the insulation. Thanks to the option to zip it together with the Sea to Summit Women's Spark sleeping bag, it’s also suitable for traveling as a pair.