Probably have ten different pairs of 1-3mm short booties. Can't ride without them, just feels too weird now.
Most comfortable: Atan Sunfast http://atan.fr/en/surfing-booties-6
But they only save your foot once if you step on something sharp. They're VERY delicate but SOOOOO comfortable.
Second best between comfot and durability: Ion Plasma and Plasma Slipper. Not as awesome as the Atans but a little more protection.
Everything else I tried (Okespor Florida/Gorge, O'Neil Suprfreaks, Xcel, NP) are either too bulky or too stiff. And I've also cut through most of them with shells, glass and oysters.
They ALL fall apart after a while. I'm pretty hard on them and if they dont get cut they unglue, the liner wears out or the dreaded hole made by the toe.