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.
Sea to summit spark spii sleeping bag review.
The new ultralight spark series of sleeping bags are designed to keep you as warm as possible while minimising packed weight and size.
The 2019 range of sea to summit sleeping bags have arrived and with 42 sleeping bag variations across 16 different models there s a sea to summit sleeping bag to every user on any adventure.
All sea to summit down sleeping bags use responsible down standard rds certified down.
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.
Light as a feather bikepacking gear camping gear the sea to summit spark sp i sleeping bag is light enough that it might just weigh less than your favourite down jacket.
This is still an 850 ultra dry down bag but instead of a 11 c lower limit rating it s a 4 c rating which means it s lighter more compact and ideally suited to three season camping and winter hut trips.
The spark spii combines ultra dry down 850 loft premium goose down light gauge 3 ykk zip high performance 10d nylon shell and 7d lining fabrics and a contoured mummy shape for efficient insulation and superior performance.
Our testers particularly detest its narrow dimensions and a zipper that constantly snags.
There is also plenty to dislike about the spark ii.
This time we have the newly released sea to summit spark spiii sleeping bag up for review.
It s so light and tiny when stuffed into the provided stuff sack that it s our top pick for insane packability.
This bag is ideal for those who measure weight to the second decimal place or for those who want an emergency bag to throw in the pack.
Sea to summit spark sp i review.
All of our down is responsibly sourced rds certified and high loft with a permanent water repellent treatment.
The sea to summit spark spi 40 is the lightest and smallest packing bag we ve ever tested by far.
The outer fabric is water resistant for protection from morning dew and rainfall.
It also packs down smaller than most bags we ve used and can still keep you comfortable through the summer and into the shoulder seasons.
Our sleeping bags are designed to keep you warm and comfortable whether your are backpacking in the summer or winter camping.
The spark ii bag features vertical box baffles on the chest area to minimise movement of down optimising insulation where you need it most with.