A 40L backpack can take over the work normally done by a small suitcase. The Thule Landmark 40L belongs on that shortlist when you want clothing and essentials together through a journey with several stops.
Give the main compartment a repeatable arrangement
Begin with the objects that determine your packing shape: footwear, a clothing cube and the wash bag. Arrange these before filling small gaps. A travel bag becomes easier to live from when the same categories return to the same locations after every overnight stop.
Leave the belongings needed while moving accessible without disturbing the clothing load. A compact electronics pouch can help, provided it fits the pocket or area where you intend to keep it. The point is to reduce the number of loose pieces you handle when boarding, changing trains or checking into accommodation.
Decide whether this is also your daytime bag
If the Landmark stays at the hotel, judge it primarily by how it transports and exposes the whole trip. If you will carry it through a city after unloading most clothing, consider whether its size still suits that smaller role. A separate compact day bag may make more sense than asking a full travel pack to do every job.
Confirm the exact Landmark generation and its published dimensions before purchase. The 40L label alone cannot establish laptop fit, accessory inclusion or an airline allowance. Compare those details against your equipment and route, then assess the harness with a representative load. This is a stronger candidate when its space replaces another piece of luggage rather than duplicates one you already plan to bring.
