Overall solid build quality on the K7, the material is breathable and feels premium too, however one of the armrests did come off after 2 years of use, but I do tend to lean heavy on my mouse arm so it was bound to happen, but because it was under warranty they were super cool about it and sent me a new part within the week without any fuss! Will say that it (K7) might be a bit uncomfortable if you're a bigger person as the seat sides are slightly raised and can dig into your legs, but they have options for the thicc among us so all good there! Overall has been a great purchase and served me well.