Spark 7C/45F Down Sleeping Bag Sea to Summit Sleeping Bags

Sea to Summit

Spark 7C/45F Down Sleeping Bag

£224.95 £299.95

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Sleep tight, move fast

The Spark is a seriously lightweight summer bag for those fleet-footed adventures where every gram counts. At just 363g for the regular size unisex model, everything's designed to maximise that all-important warmth-to-weight ratio, from the featherlight 10 denier nylon shell fabric to the top quality 850+ fill goose down. As you'd expect from a bag this light, they've gone for a tailored mummy fit that makes the most efficient use of your natural body heat, and they've stuffed extra fill in the hood for comfort where it counts. Where standard down sleeping bags can be quite vulnerable to moisture, the goose down filling in the Spark has been specially treated to make it insulate better when wet – and dry out much more quickly – plus the vulnerable hood and footbox areas are reinforced with a breathable waterproof shell. Take that, tent condensation.

FEATURES
DETAILS
SPECS
FEATURE VIDEO
ECO CREDENTIALS
THE BRAND

- Lightweight and compact summer sleeping bag
- Premium 850+ fill power goose down
- Down fill is Responsible Down Standard (RDS) certified
- Features Ultra Dry Down treatment for damp conditions – retains over 60% more loft, absorbs 30% less moisture and dries out 60% faster when compared to untreated down
- Lightweight 10 denier nylon shell
- Breathable waterproof shell on hood and footbox
- Mummy fit maximises thermal efficiency while minimising bulk
- Half-length zip with plough to prevent snagging
- Vertical baffles in chest area, horizontal baffles in lower body & footbox
- Sewn-through quilted construction throughout
- Front draught collar
- Fitted & adjustable hood with deep fill
- No draught tube
- Cannot be paired with other sleeping bags, but can be paired with Sea to Summit quilts
- Material: 10-Denier Nylon shell and lining
- Fill Power: Premium 850+ goose down
- Comfort rating 11°C (51°F)
- Lower limit 7°C (45°F)

	Regular	Long
Weight	363 g	387 g
Fill Weight	150 g	172 g
Compressed size	2L	3L
Shoulder circumference	155 cm	165 cm
Hip circumference	135 cm	145 cm
Footbox circumference	102 cm	112 cm
Max user height	<185 cm	<198 cm

- Ethically Sourced Materials: The RDS certifies down against animal welfare requirements and tracks it from the source to the final product. The purchase of RDS certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Sea to Summit is certified to the RDS.
- Sustainability through longevity: Sea to Summit designs and builds gear that is meant to be put to the test, wherever your adventures take you. Sea to Summit guarantee this product against defects in materials or workmanship for the expected lifetime of the product.
What is it that attracts us to the idea of adventure? For Sea to Summit, it’s about freedom and self-reliance – the ability not just to survive, but to thrive in any environment. But although the brand takes its gear seriously, it does so with trademark Aussie humour and blunt, no bullsh*t candour. That’s the way it’s always been, ever since founder Roland Tyson made his first outdoor gear on an old industrial sewing machine in his childhood bedroom back in 1983, at the age of 17. Soon he was designing and manufacturing equipment for other Australian adventurers – and in 1991, he outfitted an unusual first ascent of Everest, in the form of a 1,126 kilometre journey from sea level to the mountain’s 8,848-metre summit. The name Sea to Summit was born.

In 1993, Roland was joined by Penny Sanderson, another Aussie explorer and innovator. Their designs were honed on their adventures, as they spent months climbing, sailing, trekking, overlanding and biking. Nearly thirty years later, Sea to Summit is still 100% Aussie owned and operated, and still putting painstakingly designed gear into the hands of customers worldwide.