Sea To Summit Spark Spiii Sleeping Bag

The sea to summit spark iii is incredibly lightweight and one of the most compact sleeping bags in our review.

Sea to summit spark spiii sleeping bag.

The highest lofting down used in any of sea to summit s sleeping bags. Uses a full box baffle construction to accommodate extra down and reduce cold spots. It was awarded our prestigious gear of the year award for 2013. The outer fabric is water resistant for protection from morning dew and rainfall.

Higher loft means that less down can be used to achieve the same temperature rating important for performance sleeping bags. The loft and down quality composition are independently tested by the international down and feather laboratory idfl a copy of the certification is supplied with every sea to summit sleeping bag. 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 an australian brand that continues to impress.

All sea to summit down sleeping bags use responsible down standard rds certified down. Higher loft means that less down can be used to achieve the same temperature rating important for performance sleeping bags. 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. The sea to summit spark sp i sleeping bag is light enough that it might just weigh less than your favourite down jacket. 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 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.

The spark series spans everything from an ultralight liner to an expedition weight mid winter bag. The temperature in the sleeping bag name is the stated low en rating. 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. This time we have the newly released sea to summit spark spiii sleeping bag up for review.

Here s how it fared after a season and a half of use.