I have an artificial right ankle and an artificial left knee, I cannot walk with bare feet. My ankles swell in the heat and when I walk a lot. I have had so much trouble finding socks that give me comfort and the right support. I decided to try Dr. Johnny's diabetic socks. I bought a set of three and was so impressed, I bought two more sets. I am not diabetic, but these are wonderful. My husband is diabetic and is trying them as well. Thank you for these great socks.