they provide real cushion so your knees aren't taking an absolute beating. the ky3's have 0 cushion unless you believe that zoom unit in the heel is doing absolutely anything lmao.
the closest thing you'll probably find is boost cushion in the hardens, but that's even a really slim amount of...
I've played 50+ times in my USA colorway and mine's been fine, it seems like certain colorways are more prone to this for some reason which is super strange
Balled in my KD9's for the first time since getting the Kyries and I feel like I wasted $120. Maybe it's just the way I play. The Kyries feel so stiff and clunky as hell.