Set out for a summertime adventure with the Marmot Micron 40 Sleeping Bag - Long. This bag is filled with water-resistant 650-fill-power goose down to improve water-resistance in wet conditions. Lightweight and durable, this easy-to-pack bag has a handy internal stash pocket for your stuff. A full length, wrap around zipper provides great ventilation and the ability to convert to a flat blanket for a little foot freedom. The Micron is ideal for spring and summer hiking, bike touring or anytime when weight and space are at a premium.