Realtree APX Hunting System Size Chart
INCHES
| SIZE | CHEST | SHOULDER | BACK LENGTH | SLEEVE |
| XS | 42 | 19 | 28.5 | 24 |
| S | 44.5 | 19.5 | 29 | 24.5 |
| M | 47 | 20 | 29.5 | 25 |
| L | 49.5 | 20.5 | 30 | 25.5 |
| XL | 52 | 21 | 31 | 26 |
| XXL | 54.5 | 21.5 | 31.5 | 26.5 |
CENTIMETERS
| SIZE | CHEST | SHOULDER | BACK LENGTH | SLEEVE |
| XS | 107 | 48 | 72 | 61 |
| S | 113 | 50 | 74 | 62 |
| M | 119 | 51 | 75 | 64 |
| L | 126 | 52 | 76 | 65 |
| XL | 132 | 53 | 79 | 66 |
| XXL | 138 | 55 | 80 | 67 |