Boys Underwear
All body measurements are in inches.
All sizes are approximate.
| Size | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| S | M | M | L | L | XL | XL | |
| Height | 49 - 50.5 | 51 - 54.5 | 55 - 58.5 | 59 - 61.5 | 62 - 64.5 | 65 - 66.5 | 67 - 68.5 |
| Weight (lb.) | 49 - 59 | 60 - 73.5 | 74 - 87.5 | 88 - 100.5 | 101 - 115.5 | 116 - 126.5 | 127 - 138.5 |
| Chest | 27.5 - 28 | 28.5 - 29 | 29.5 - 30 | 30.5 - 31 | 31.5 - 32 | 32.5 - 33 | 33.5 - 34 |
| Waist | 23.5 - 24 | 24.5 - 25 | 25.5 - 26 | 26.5 - 27 | 27.5 - 28 | 28.5 - 29 | 29.5 - 30 |
| Seat | 27 - 28 | 28.5 - 29.5 | 30 - 31.5 | 32 - 33.5 | 34 - 35 | 35.5 - 36.5 | 37 |
| Inseam | 22.5 | 24.5 | 26.5 | 28.5 | 29.5 | 30.5 | 31.5 |