Grandfather Shirt Size Chart
| (1) Half Chest | Neck | (2) Shirt Length | (3) Sleeve Length | |
| S | 20.5" | 15.5" | 31" | 34" |
| M | 23" | 16.5" | 31.5" | 34.5" |
| L | 25" | 17.5" | 32" | 35" |
| XL | 26.5" | 18.5" | 32.5" | 36.5" |
| 2XL | 28.5" | 19.5" | 33" | 37.5" |
| 3XL | 30.5" | 20.5" | 33.5" | 38.5" |
| 4XL | 32.5" | 21.5" | 33.5" | 39.5" |
