Under Armour size guide
How to Measure - Men's Tops
Chest: Place the tape measure under your arms in the widest part of your chest, wrap it around your body until your fingers intersect and mark the measurement.
Waist: Measure around your natural waistline. Be careful not to tighten too much to allow your little one to give.
Chest (inches) | Waist (inches) | |
XS | 30 - 32 | 26.5 - 27.5 |
S | 34 - 36 | 28 - 29 |
M | 38 - 40 | 30 - 32 |
L | 42 - 44 | 34 - 36 |
XL | 46 - 48 | 38 - 40 |
XXL | 50 - 52 | 42 - 44 |
3XL | 52 - 54 | 44 - 46 |
4XL | 54 - 56 | 46 - 48 |
5XL | 56 - 58 | 48 - 50 |