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.

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. 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.

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

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. 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. 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. 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.