Size Guide
Width: Measure from under-arm to under-arm, measured horizontally with a tape.
Length: Measure from the shoulder to the bottom of the shirt, measured vertically with a tape.

Men shirts
S | M | L | XL | |
Width (cm) | 45 | 47 | 49 | 51 |
Length (cm) | 69.5 | 70 | 72 | 72 |

Women shirts
S | M | L | |
Width (cm) | 39 | 41.5 | 43 |
Length (cm) | 64 | 66 | 67 |