Billabong
Footwear Size Guide
Toddlers
| Size (US) | 7 | 8 | 9 | 10 | 11 |
| Footbed Length (mm) | 141 mm | 150 mm | 159 mm | 168 mm | 177 mm |
Teens
| Size (US) | 1 | 2 | 3 | 4 | 5 |
| Footbed Length (mm) | 198 mm | 206 mm | 215 mm | 223 mm | 232 mm |
Women
| Size (US) | 6 | 7 | 8 | 9 | 10 |
| Footbed Length (mm) | 239 mm | 248 mm | 254 mm | 260 mm | 270 mm |
Men
| Size (US) | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Footbed Length (mm) | 240 mm | 248 mm | 259 mm | 269 mm | 279 mm | 290 mm | 300 mm |