| WCS™ | Womens Size | Mens Size | Open-Toe # | Closed-Toe# | Insole # |
|---|---|---|---|---|---|
| XSMALL | 4 - 5.5 | WCS0B | WCC0B | WCI0 | |
| SMALL | 6 - 8.5 | 6 - 7.5 | WCS1B | WCC1B | WCI1 |
| SMALL/MEDIUM | 9 - 9.5 | 8 - 8.5 | WCS7B | WCC7B | WCI7 |
| MEDIUM | 10 -10.5 | 9 - 9.5 | WCS2B | WCC2B | WCI2 |
| LARGE | 11 - 12.5 | 10 - 11.5 | WCS3B | WCC3B | WCI3 |
| X-LARGE | 13 - 14.5 | 12 - 13.5 | WCS4B | WCC4B | WCI4 |
| 2X-LARGE | 15 - 17 | 14 - 16 | WCS5B | WCC5B | WCI5 |