The Sojourn Porter 46 is a true traveler&';s workhorse that maximizes storage space and comfort for carry-on convenience. Internal StraightJacket straps securely compress belongings, and an AirScape(TM) backpanel keeps you cool and dry as you move through your journey. Attach your bag to wheeled luggage with an add-a-bag strap. Compatible with Daylite(TM)and Farpoint(TM)/Fairview(TM) daypacks. Made from durable fabric, you can count on the longevity of this pack for years to come. key Attributes: Straight Jacket Protection: Our iconic StraightJacket compression straps with padded sidewalls offer a flexible and secure option to protect contents and keep loads under control. When not fully stuffed, bag compresses to a smaller size. Sustainable & Durable Build: Constructed with heavy-duty bluesignA(R) approved, 100% recycled high tenacity nylon main body fabric and 100% recycled ballistic polyester bottom fabric, using DWR treatments made without PFAS. Stowaway Harness & Hipbelt: Harness and hipbelt deploy at a moment&';s notice for backpack-style carry and quickly disappear into the backpanel for safekeeping when the bag is checked. Features: Heavy-duty bluesignA(R) approved, recycled high tenacity and ballistic materials Comfortable AirScape backpanel with tuckaway harness and hipbelt Unique Straight Jacket compression provides extra padding and load control TSID luggage registration included with each piece Interior mesh and liner pockets for organization. Carry Information: Airscape & Backpanel + Ridge foam, vented backpanel with pocket for tuckaway harness/hipbelt Stowaway Harness | Hipbelt + Soft breathable spacermesh contact surface for comfortable feel + Adjustable sternum strap with whistle + Stowaway webbing hipbelt with padded wings