Size Guide for Allstar Men's Underplastrons
In order to choose the correct size, measure your height (A) and chest circumference (B) in cm. Corresponding suit sizes can also be used as a reference.
| Size | Suit Size | Height (A) | Chest (B) |
| 1 (S) | 44 - 46 | 164 - 176 | 84 - 92 |
| 2 (M) | 48 - 50 | 170 - 182 | 92 - 100 |
| 3 (L) | 52 - 54 | 176 - 188 | 100 - 108 |
| 4 (XL) | 56 - 58 | 176 - 188 | 108 - 120 |