The main one? That flat, firm midsole. If you're on your feet all day, this isn't your go-to "comfort" shoe – you'd want something with more tech. Also, the toe box creases... it's gonna happen, it's part of the leather's charm (or annoyance, depending on your view). So, this specific Jordan Air 1 model isn't for the comfort-first crowd. Who is this for? Honestly, for sneaker newcomers or collectors alike. It’s a must-have piece of history. Who is it "not" for? Performance athletes or comfort-first folks. It’s a lifestyle shoe, period. My final verdict? If you don't own a pair of Jordan Air 1s yet, it's a gap in your collection worth filling. The materials on this specific release are decent – not premium, but they don't feel cheap. The stitching is clean, and the overall construction feels durable. For a shoe you'll likely wear a lot, that's important. Compared to some past releases, the quality here is consistent. It's a solid, reliable version of the Jordan Air 1 that gets the job done. Guys, the Shadow Grey colorway of the "Jordan Air 1" is a "sleeper hit". In hand, the materials feel premium. On foot? They go with literally everything - jeans, joggers, shorts. The grey overlays break up the monochrome look perfectly. Compared to a louder Jordan 4, these are your "daily drivers". A definite win for a versatile rotation.