Orhtaheals hands down.
I had a full ankle reconstruction, including cleaning up a tendon and breaking my heal to widen it.
I'm still having pain up the back of my heal, turns out I have even more tendonitis....but the orthaheal brand, including their flip flops are pretty much the only shoes my poor foot will tolerate.
They were designed by a podiatrist and have a super supportive built in arch. Plus the foot bed is long in the front so your toes aren't slipping out the front.
All of the shoe designs have the same foot bed so your feet don't have to adjust to a change when you switch your shoe look up. They dry fast, I showered in them for over a year post surgery.
I have the wave flipflop, the clog and a new slide sandal out this year. I live in them. This is saying alot...I still can't even walk barefoot. Sneakers hurt, I have $500 orthotics that don't do much, but I can go pretty far in orthaheals!