BYB BY102 Heavy Oversize Tee Size Guide
| S | M | L | XL | XXL | 3XL | 4XL | 5XL | |
| A - Half Chest | 57 | 60 | 63 | 66 | 69 | 73.5 | 78 | 82.5 |
| B - Body Length | 76 | 78 | 80 | 82 | 84 | 85 | 86 | 87 |
| C - Sleeve Length | 21 | 22 | 23 | 24 | 25 | 25.5 | 26 | 26.5 |
Sizes are in CM
| S | M | L | XL | XXL | 3XL | 4XL | 5XL | |
| A - Half Chest | 57 | 60 | 63 | 66 | 69 | 73.5 | 78 | 82.5 |
| B - Body Length | 76 | 78 | 80 | 82 | 84 | 85 | 86 | 87 |
| C - Sleeve Length | 21 | 22 | 23 | 24 | 25 | 25.5 | 26 | 26.5 |
Sizes are in CM