Sea to Summit Spark 18 Sleeping Bag

The Sea to Summit Spark 18 Sleeping Bag is built to keep you warm without weighing you down. This 2.5 season sleeper takes up a tiny fraction of pack space, yet it gives you plenty of room to toss and turn when you're inside. It also features water repellent Ultra-Dry Down 850+ insulation designed to dramatically improve performance when wet, allowing you confidently get after it in any weather.