My daughter and I have these flips and we love how comfortable they are, however,the sizing is small!!! My daughter wears a size 7 in Keen shoes. Depending on the shoe, she ranges between a 7 and 7 1/2. I wear a 9 pretty consistently, sometimes 8 1/2. I ordered the size 9 in the Cobian Bounce and my heel was close to going over the edge, not cute. So I gave them to my daughter and the size 9 sandals fit her size 7 feet perfectly. I reordered some for myself in a 10, which should fit. I don't know what other ladies with larger feet do since these only go to size 10!