Lay a tank top that fits you well flat on a table and measure the chest width (armpit to armpit). Compare this measurement with the size guide to find the right size.
| Size | Half chest width | Length |
|---|---|---|
| XS | 41 cm | 66 cm |
| S | 42.5 cm | 68 cm |
| M | 44 cm | 70 cm |
| L | 47 cm | 72 cm |
| XL | 50 cm | 74 cm |