This is my 5th pair of Olukai Flip Flops and, as has been my experience in the past, these are comfortable, supportive and fit my feet well. I have always found Olukai's to be well made & long-lasting and very comfortable, even when worn for long periods; making them worth the higher price as compared to other brands. I would suggest that you have at least 2 pair and alternate wearing them though. They need some down-time to air out between wearings or they can eventually develop some foot odor!As for Sizing: I have a rather wide foot with the further complication of a bone spur/bunion at the base of my L great toe. I generally have to have an EE width in regular shoes. Olukai's seem to fit just right, although I do order up one full size (13 instead of my normal 12). This will usually result in a half-inch or so of extra sole behind my heel, but it leaves me with the width I need without being too large overall. If you have a normal width foot with no 'extracurricular' issues, you'll likely be content with your normal size. I would recommend going up, rather than down in size if you wear a half-size (Ex: For 10 1/2, order 11). Also, bear in mind that Olukai has recently introduced some newer model flops that seem to be built on a different 'last'. The Tauhine is one of these and is more narrow overall, with a more pointed toe box that is also narrower. With the Taurine, even the larger size 13 was much to tight for me.