Various boxing organizations use differing grids, with "super" and "junior" tags added for additional weight classes, but here are the basic categories with maximum weights:
| straw | 105 |
| fly | 112 |
| bantam | 118 |
| feather | 126 |
| light | 135 |
| welter | 147 |
| middle | 160 |
| light heavy | 175 |
| cruiser | 190 |
| heavy | infinity |
Now, for a follow-up L.A.T.:
*
1964-1967 / 1974-1978 / 1978-1979
?