Sea To Summit Spark Spii 28 Sleeping Bag

The highest lofting down used in any of sea to summit s sleeping bags.

Sea to summit spark spii 28 sleeping bag.

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. All sea to summit down sleeping bags use responsible down standard rds certified down. Our testers particularly detest its narrow dimensions and a zipper that constantly snags. Higher loft means that less down can be used to achieve the same temperature rating important for performance sleeping bags.

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. 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 ii bag features vertical box baffles on the chest area to minimise movement of down optimising insulation where you need it most with. 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.

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. 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. Spark spii 2 c zoom. Available at rei 100 satisfaction guaranteed.