Bio Line Size Guide
🔍 BIO LINE — Size Chart
💡 Tip: measure your foot in the afternoon, when it's slightly larger. If you have two different foot sizes, always choose the size of the larger foot.
Add ~0.5 cm to your foot measurement
Ex. if my foot measures 25.7 cm + 0.5 cm = 26.2 cm → size 41
Bio Line
Models: Kid, Sigma, Egeo, Elio, Yuma, Eos, Crono, Argo, Nyx
| Length cm. | Width cm. | |
|---|---|---|
| 35 | 22.7 | 8.0 |
| 36 | 23.3 | 8.0 |
| 37 | 24.0 | 8.5 |
| 38 | 24.7 | 8.5 |
| 39 | 25.5 | 8.7 |
| 40 | 26.0 | 9.0 |
| 41 | 26.5 | 9.3 |
| 42 | 27.5 | 9.3 |
| 43 | 28.0 | 9.3 |
| 44 | 28.5 | 9.5 |
| 45 | 29.3 | 9.6 |
| 46 | 30.0 | 9.6 |
| 47 | 30.5 | 10.3 |
| 48 | 31.0 | 10.5 |
Bio Line — Kambo / Bruce
Models: Kambo, Bruce
| Size | Length cm. | Width cm. |
|---|---|---|
| 35 | 23.5 | 8.5 |
| 36 | 24.0 | 8.5 |
| 37 | 24.5 | 9.0 |
| 38 | 25.0 | 9.0 |
| 39 | 25.7 | 9.2 |
| 40 | 26.5 | 9.5 |
| 41 | 27.3 | 9.5 |
| 42 | 28.0 | 9.8 |
| 43 | 28.5 | 9.8 |
| 44 | 29.0 | 10.0 |
| 45 | 29.7 | 10.0 |
| 46 | 30.5 | 10.3 |
| 47 | 31.3 | 10.3 |
| 48 | 32.0 | 11.0 |
Bio Line — Barefoot
Models: Asuku, Dabi, Sekani, Yodas
| Size | Length cm. | Width cm. |
|---|---|---|
| 35 | 22.5 | 8.5 |
| 36 | 23.0 | 8.5 |
| 37 | 23.5 | 8.7 |
| 38 | 24.5 | 8.9 |
| 39 | 25.0 | 9.0 |
| 40 | 26.0 | 9.1 |
| 41 | 26.5 | 9.4 |
| 42 | 27.0 | 9.5 |
| 43 | 27.7 | 9.6 |
| 44 | 28.5 | 9.7 |
| 45 | 29.0 | 10.0 |
| 46 | 29.7 | 10.0 |
| 47 | 30.4 | 10.0 |
| 48 | 31.0 | 10.3 |