Measure under the arm and around the fullest part of the chest with arms down, keeping tape horizontal.
S | S | M | M | L | L | XL | XL | 2XL | 3XL | 3XL | |
Chest | 37-45 1/2 | 37-45 1/2 | 41-47 1/2 | 41-47 1/2 | 45-50 1/2 | 45-50 1/2 | 49-53 | 49-53 | 53-56 | 56 | 56 |
S | M | L | XL | 2XL | 3XL | |
Body Length at Back | 26 5/8 | 28 | 29 3/8 | 30 3/4 | 31 5/8 | 32 1/2 |
Chest Width | 17 1/2 | 19 1/2 | 21 1/4 | 23 | 25 | 27 |