Men's Rein Size Chart
| Size | Body Length | Sleeve Length | Chest Width |
| S | 28 1/2" | 9 5/8" | 20 1/2" |
| M | 29 1/2" | 9 7/8" | 21 1/2" |
| L | 30 1/2" | 10 1/8" | 22 1/2" |
| XL | 31 3/4" | 10 1/2" | 24" |
| 2XL | 33" | 10 7/8" | 25 1/2" |
*Flat Measurements
| Size | Body Length | Sleeve Length | Chest Width |
| S | 28 1/2" | 9 5/8" | 20 1/2" |
| M | 29 1/2" | 9 7/8" | 21 1/2" |
| L | 30 1/2" | 10 1/8" | 22 1/2" |
| XL | 31 3/4" | 10 1/2" | 24" |
| 2XL | 33" | 10 7/8" | 25 1/2" |
*Flat Measurements