Osprey Outdoor equipment Bags Sojourn 80 Reisetasche Unisex The Sojourn is the ideal balance between a trolley and a rucksack. It has an adjustable back system, stowable shoulder- and hip straps and robust wheels. The zipped access to the main compartment can be locked. With a volume of 80 litres, the Sojourn offers enough storage space for equipment needed during longer trips. For even more storage space and comfort, the Daylite or the Daylite plus daypacks can be attached to the travel bag.