NWT Challenge Mushroom Graphic Compression Socks Relaxed Fit Graduated Compression Non Binding Top Band Fits Sock Size 9-11 Shoe Size 5-9 Note: I have not taken these out of packaging to check for sure but it appears to me that the top of one is looser than the other. It is definitely a bit wider but whether that makes a difference when you have them on, I don't know. For my legs, it would be perfect but if you have skinny calves maybe not.