Also check out the very cool Evrgrn Campfire Rocker

The Evrgrn Crash Sack is a versatile sleeping bag that combines the warmth of a sleeping bag with the indulgent comfort of a puffy jacket. The fun wearable bag features arm holes that help you grab what you need around camp, making getting out of your tent to make a cup of coffee a whole lot easier. It is lightweight and has a warm synthetic insulation that keeps you warm in temps down to 45°F, and features interior pockets to keep your phone and other essentials at hand. Available in several colors and in three sizes.