Designed to keep you as warm as possible while minimizing packed weight and size the sea to summit spark spii 28 sleeping bag is ultralight and technical for your industrious adventures.
Sea to summit spark spii 28 sleeping bag.
Spark spii 2 c zoom.
The ultradry down protection also makes the spark an impressive hard alpine or adventure racing bag where every gram is counted and down has never been a viable option.
Our testers particularly detest its narrow dimensions and a zipper that constantly snags.
When the sea to summit spark spii sleeping bag large size is compressed down it s not much bigger than a 1 liter 32 ounce water bottle.
Sea to summit s spark spii down sleeping bag is a true minimalist bag that uses the lightest materials and highest quality responsibly sourced down to deliver an exceptionally high warmth to weight ratio when compared to other similarly rated bags.
Higher loft means that less down can be used to achieve the same temperature rating important for performance sleeping bags.
You could use the spark 50 f or even the spark 40 f or 28 f to boost the performance of a bag for cold weather use.
All sea to summit down sleeping bags use responsible down standard rds certified down.
The liner has a plush feel on the skin and the down insulation gives it a comfortable feel.
Available at rei 100 satisfaction guaranteed.
Adding one of these to a 20 f 5 c bag might make more sense than buying a 0 f 20 c bag for only occasional winter use.
There is a lot to like about the sea to summit spark spii 28 its 850 fill power goose down a total weight barely over a pound and an absolutely miniscule packed volume there is also plenty to dislike about the spark ii.