The Osprey Sojourn Porter 46 is a carry on travel backpack built for the modern explorer. Sized to fit most airline overhead compartments, this backpack maximizes capacity without sacrificing comfort or mobility. Heavy-duty bluesign APPROVED, 100% recycled high-tenacity nylon main body fabric and 100% recycled ballistic polyester bottom fabric protect your travel essentials for the long haul. Featuring a stable, close-to-body AirScape backpanel with tuckaway harness and hipbelt that offers breathable, comfortable support when worn and disappears when not in use. Our signature WingJacket compression system provides padded sidewalls that secure loads under pressure—whether your next adventure is backcountry skiing in British Columbia or alpine climbing in Chamonix. This travel bag includes internal mesh pockets for organization, TSID luggage registration and is compatible with Daylite and Farpoint /Fairview daypacks. For destinations without limits, reach for the Osprey Sojourn Porter 46, the ultimate travel backpack for flexibility, function and freedom.