| U.S. Shoe Size | Kids' Shoe 1-3 | Men 3-5 / Women 4.5-6.5 | Men 5-7 / Women 6.5-8.5 | Men 7-9 / Women 8.5-10.5 | Men 9-11 / Women 10.5-12.5 | Men 11-13 / Women 12.5-14.5 | Men 13-15 / Women 14.5+ |
| Fin Size | XX-Small | X-Small | Small | Medium | Large | X-Large | XX-Large |
| Color of Fin | Orange | Green | Yellow | Red | Black | Grey | Blue |