If you are a half size, pick the size that yours fits in, if you are a whole size, go with the larger fit. Example: If you are a 9.5 in Nike shoes, pick the 9-10 size. If you are a size 10 in Nike shoes, pick the 10-11.
Men’s Sizing - Women’s Sizing - Sandal Length
Men’s 6-7 - Women’s 7.5-8.5 - Sandal Length 10.125”
Men’s 7-8 - Women’s 8.5-9.5 - Sandal Length 10.44”
Men’s 8-9 - Women’s 9.5-10.5 - Sandal Length 10.75”
Men’s 9-10 - Women’s 10.5-11.5 - Sandal Length 11.1”
Men’s 10-11 - Women’s 11.5-12.5 - Sandal Length 11.38”
Men’s 11-12 - Women’s 12.5-13.5 - Sandal Length 11.7”
Men’s 12-13 - Women’s 13.5-14.5 - Sandal Length 12”