BYB BY004 Tee Size Guide
| XS | S | M | L | XL | XXL | 3XL | 4XL | 5XL | |
| A - Half Chest | 4.5 | 48.5 | 51.5 | 54.5 | 57.5 | 60.5 | 65 | 69.5 | 74 |
| B - Body Length | 71.5 | 73.5 | 75.5 | 77.5 | 79.5 | 81.5 | 82.5 | 83.5 | 84.5 |
| C - Sleeve Length | 20 | 20.5 | 21 | 22 | 23 | 24 | 24.5 | 25 | 25.5 |
Sizes are in CM
BYB BY004 Tee Size Guide