| DaFiN Size | US Mens Shoe Size | US Ladies Shoe Size | Foot Length (inches) |
| XXS | 1-2 | 2-3.5 | 7.7"-8" |
| XS | 3-4 | 4-5.5 | 8.4"-8.9" |
| S | 5-6 | 6-7.5 | 9.1"-9.5" |
| M | 7-8 | 8-9.5 | 9.7"-10.2" |
| ML | 9-10 | 10-11.5 | 10.3"-10.8" |
| L | 11-12 | 12-13.5 | 11"-11.5" |
| XL | 13-14 | 14-15.5 | 11.7"-12.2" |
| XXL | 15-16 | 12.3"-12.7" |
