850 fill power indicates that one ounce 30g of down will re expand to over 850 cubic inches after compression.
Sea to summit spark spiii sleeping bag 18f down.
The sea to summit spark sp i sleeping bag is light enough that it might just weigh less than your favourite down jacket.
Higher loft means that less down can be used to achieve the same temperature rating important for performance sleeping bags.
Here s how it fared after a season and a half of use.
The highest lofting down used in any of sea to summit s sleeping bags.
Our spark series bags is what you reach for when you need a high performance sleeping bag but don t want to be weighed down by one.
Our sleeping bags are designed to keep you warm and comfortable whether your are backpacking in the summer or winter camping.
This time we have the newly released sea to summit spark spiii sleeping bag up for review.
The outer fabric is water resistant for protection from morning dew and rainfall.
It sports the tightest dimensions among bags we tested and only a 1 3 length 3 ykk zipper that was both the shortest and the smallest zipper of any bag we in our review.
The sea to summit spark iii is incredibly lightweight and one of the most compact sleeping bags in our review.
The rds is a tool that is going to help shift the entire down and feather industry towards more humane animal rearing and handling practices.
Sleeping bags sea to summit is excited to announce that all of our sleeping bags use down that has been sourced and certified by the responsible down standard.
Sea to summit is excited to announce that in 2016 all of our sleeping bags will use down that has been sourced and certified by the responsible down standard rds.
Check out the sea to summit spark spiii at enwild.
Sea to summit aeros down pillow duration.
All of our down is responsibly sourced rds certified and high loft with a permanent water repellent treatment.
It does give up some luxury and versatility in order to achieve its amazingly low weight and minimal size.
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.
It was awarded our prestigious gear of the year award for 2013.
Our spark series bags is what you reach for when you need a high performance sleeping bag but don t want to be weighed down by one.
Last season we put the sea to summit xt2 3d down sleeping bag through the preverbal bsc review ringer and it came out the other side with flying colours.
The temperature in the sleeping bag name is the stated low en rating.
The spark series spans everything from an ultralight liner to an expedition weight mid winter bag.