Osprey Porter 30 in amazing condition Purchased fall 2022 and used once for light airport travelling The Porter 30 offers the comfort of a backpack along with the functional simplicity and storage capacity of a duffel—and does it all in an attractive, durable package. Whether you’re tossing it in a car, shouldering it on a train or carrying it on a plane, padded sidewalls help to protect inner belongings and StraightJacket straps compress contents to a smaller size. Deploy backpack-style carry when you need it to climb the steps to your hillside bungalow and tuck it away when you don’t.