Sea to Summit Spark Down Sleeping Bag Temp Rating:-1C|30F while internal compression straps help

while internal compression straps help manage volume

but you can also use it to add abrasion resistance

High strength

An all-rounder of a boot

Claimed weight: 31 g

Sea to Summit Spark Down Sleeping Bag Temp Rating:-1C|30F while internal compression straps helpUltra light and technical sleeping bags that keep you warm, without weighing you down. Sea to Summit's Spark Series spans everything from an ultralight liner to an expedition weight mid winter bag. The impressive performance is the result of a combination of premium materials and careful design. The RDS 850+ Loft premium goose down, light gauge #3 YKK right hand zip and high performance 10D Nylon shell and 10D lining fabrics, set the stage for