Part of the stylishly capable Sojourn Family of travel packs and luggage, the Sojourn Porter 30 marries the comfort of a backpack with the simplicity and storage capacity of a duffel—all in one attractive, durable package. Whether you’re tossing it in a car, shouldering it on a train or carrying it on a plane, padded sidewalls protect your belongings. Updated StraightJacket straps compress contents to a smaller size. An AirScape™ backpanel keeps you cool and dry as you move through your day. Compatible with Daylite™and Farpoint™/Fairview™ daypacks. Osprey Sojourn Porter 30 Litre Carry-On Travel Backpack