Are you a GM Jon Ludvig Hammer fan? Are you a fan of his opening series focused on 1.e4? Do you want people in matches to think you play 1.e4 and instead play 1.d4? Do you want them to play 1.e4? Well, this is the shirt for you friend.
Size guide
| XS | S | M | L | XL | 2XL | 3XL | |
| Length (inches) | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
| Width (inches) | 16 ½ | 18 | 20 | 22 | 24 | 26 | 28 |