I use the Genetix insoles in the TF9s, I've used Superfeet Yellow in the past and hated them. I find the Genetix a bit squishy at first but pretty comfortable and supportive, I had to add grips to them using liquid tape as my socks slid a bit. I do like them more than their previous footbeds and a bit more than the Graf SIDAS ones. But again, it's a pretty personal thing I find.