Whether you’re checking a bag or stuffing it into an overhead compartment, every ounce counts. And most 22-inch rolling bags—the standard compatible with overheads—weigh seven pounds or more. But Osprey’s Ozone 22 tips the scales at slightly more than half that: four pounds, seven ounces. It feels like helium by comparison. But there’s still plenty of organization, with zippered pockets on the front outside and a rear panel perfect for stashing an iPad. And while the styling isn’t exactly inspired, that’s not such a bad thing. Why call attention to a bag so easily carried away?