The Light Year looks like many other 650-fill down bags. It packs small and is plenty lofty. Unlike others, it zips open at the feet, letting you micromanage temperature. And on cold mornings, the foot opening lets you walk around without getting out of the bag. Even "I never get cold" boyfriends were jealous. 25ºF, 2.2 lbs; www.kelty.comBonus: Side loops attach bag to pad.Bummer: Well-endowed testers wanted more space in the chest.