Lightweight carry-ons and durable checked bags our editors swear by. Andrew Bui I am a steadfast hard-shell luggage supporter—from my favorite carry-on to my checked bag , no matter where I'm traveling or what I'm doing, the suitcase I always reach for will be hard-shell. So when it comes to picking out the perfect bag, my fellow Condé Nast Traveler editors and I know that its the small details that set the best suitcases apart from the rest: the sturdy closures, lightweight materials, interior pocket sizes, and maneuverability. Whether you're in the market for a new checked bag for a weeklong trip through Asia or a spacious carry-on for a weekend jaunt out east, there's a reason so many travelers—myself included—reach for hard-shell luggage to keep their belongings safe.…