OESH has more room in the forefoot than a typical athletic shoe due to its last (shape and volume) being made to anatomically appropriate specifications as well as a more anatomically correct heel volume. With this more accurate and comfortable feel, OESH generally fits dead on to standard sizing.
| Size | Weight (Classic or Lizard) | ||||
| OESH Size – Women’s | Men’s Size | Euro Size | UK Size | Ounces | |
|---|---|---|---|---|---|
| 7 | 6 | 38 | 5 | 14.64 | |
| 7.5 | 6.5 | 38.5 | 5.5 | 14.81 | |
| 8 | 7 | 39 | 6 | 15.52 | |
| 8.5 | 7.5 | 40 | 6.5 | 16.05 | |
| 9 | 8 | 41 | 7 | 16.40 | |
| 9.5 | 8.5 | 41.5 | 7.5 | 16.93 | |
| 10 | 9 | 42 | 8 | 17.28 | |
| 11 | 10 | 43 | 9 | 17.46 | |