| Size | US (Mens) | US (Womens) | Mondo (mm) |
| XS | 5 - 6 | 6 - 7 | 225 - 245 |
| S | 7 - 8 | 8 - 9 | 250 - 265 |
| M | 9 - 10 | 10 - 11 | 270 - 285 |
| L | 11 - 12 | 12 - 13 | 290 - 305 |
| XL | 13 - 14 | 14 - 15 | 310 - 325 |
Line Bootie One and Two
| Size | US (Mens) | US (Womens) | Mondo (mm) |
| XS | 5 - 6 | 6 - 7 | 225 - 245 |
| S | 7 - 8 | 8 - 9 | 250 - 265 |
| M | 9 - 10 | 10 - 11 | 270 - 285 |
| L | 11 - 12 | 12 - 13 | 290 - 305 |
| XL | 13 - 14 | 14 - 15 | 310 - 325 |