I haven't worn the Arizona sandals in quite a few years and Id forgotten the need for a break in period with the stiff leather.  The second strap that goes near the ankle really was uncomfortable the first time or two or three that I wore them.  I loosened the strap as much as possible so when my foot bent when walking, in wasn't digging into my foot.  I ordered the Tobacco oiled leather but these are quite dark - closer to the Habana oiled leather but Im happy enough to keep them.  Sometimes there is just a little difference in the color of the leather and I think thats the case with this purchase.  I do think the suede Arizonas as well as the nubuck, vegan pull-up and Birko-Flor have no break in required - they are comfortable out of the box but these will take some wearing before you get the Birkenstock happy face!