These feel like slippers on my feet.  They are totally form-fitting to the foot & cushy, yet supportive.  There are not many shoes I can wear without some part of (the bottom of) my foot hurting, ... and these don't hurt!  They do run small, however, I normally take an
8 - 8.5 in shoes/sandals (for sure an 8.5 in other Keens), but had to get a 9 in these & the fit is perfect!