The Sojourn Porter 46 is a true traveler's workhorse that maximizes storage space and comfort for carry-on convenience. Internal Straight Jacket straps securely compress belongings, and an AirScape back panel 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 and Farpoint/Fairview daypacks. Made from durable fabric, you can count on the longevity of this pack for years to come.