When you're camped out in pressured air at thirty thousand feet, the last thing you need is a heavy bag that spills your undies all over the airport floor. The Tumi Tegra-Lite ($600-$800) international carry-on combines the durability of a cutting-edge polypropylene composite that's used in NASCAR and body armor with the sleek design of a sports car. It won't make the plane go faster, but the Tumi Tegra-Lite takes the sweat out of everything else. [source]