Size Guide 271 Insoles
SPIEZ fit true to size for most customers. If you have wide feet or are between sizes, we suggest you size up for all styles.
| SIZE | US M |
US W |
EU | UK M | UK W | LENGTH（MM） |
| XS | 4-5.5 | 5.5-7 | 35-37 | 3-4.5 | 4.5-6 | 235-248 |
| S | 6-7.5 | 7.5-9 | 38-40 | 5-6.5 | 6.5-8 | 252-263 |
| M | 9-9.5 | 9.5-11 | 40.5-42.5 | 7-8.5 | 8.5-10 | 270-284 |
| L | 10-12.5 | 11.4-14 | 43-46 | 9-11.5 | 10.5-13 | 288-307 |
Still debating? No worries—our hassle-free 30-day return policy allows you to try us on for size and find the perfect pair.