I don't know. These seem too thick for my taste. Even the thinnest Luna's (which aren't that thin anymore) make my heels hurt for some reason. Still, I love the idea of re-using old tires. And if it works for some folks, better than foot coffins!
I have a pair of Luna Origens specifically because they're thick and resilient, all the better to wear for cycling. I cycle commuted to work in them for years before they showed any significant wear. Before that no shoes or sandals I owned were thick enough to prevent my feet from hurting on the pedals. For everyday wear they're heavy and kind of awkward when you're used to something 6mm thick and barely there.