A sleeve that takes either a laptop or a water bladder is a quietly clever piece of design
I've been noticing this detail more since I started paying attention to how packs get used across different parts of a week, and the Wakizashi is a good example of it.
The padded sleeve against the back panel serves two completely different purposes depending on the day. On a commute or a work day, it's a laptop compartment ā flat, padded, protected, sitting against your spine where a rigid object is best carried. On a hike or an outdoor day, it's a hydration bladder sleeve, and the same position that suits a laptop suits water for the same reason: flat against your back, low effect on your balance. One well-placed compartment, two entirely different lives, no compromise in either.
That flexibility runs through the rest of it. Organized daypack capacity with multiple organizer pockets, so small items have fixed homes rather than settling at the bottom. Side compression straps to pull a partial load in tight and stop it swaying. A ventilated padded back so air moves behind you on a warm walk. Durable polyester build for the practical reality of being set down on rough surfaces.
MOLLE-compatible front webbing means you can add pouches exactly where you reach for them, and there's a hook-and-loop patch panel for identification or personalisation. The advantage of an attachment grid over sewn-in pockets is simply that your storage can change as your needs do, which is the whole argument for buying modular in the first place.
What I find most sensible about this pack is that the distinctive styling doesn't come at the cost of practicality ā the features are all ones I'd want in a plain daypack, arranged well. If you want something that carries a laptop through the week and water at the weekend, that's a real use case and this handles it neatly. Worth having a look at the current versions.