The Sojourn Porter 46 is a true traveler's workhorse that maximizes storage space and comfort for carry-on convenience. Internal Wingjacket straps securely compress your belongings, and an AirScape™ back panel keeps you cool and dry as you move through your journey. Compatible with Daylite™ and Farpoint™/Fairview™ daypacks. Made from durable fabric, you can count on this pack's longevity for years to come.