| Weight Class | Weight Difference Allowance |
Glove Weight | |
| Strawweight | up to and including 105 pounds | not more than 3 lbs. | 8 oz. |
| Light Flyweight | over 105 to 108 pounds | not more than 3 lbs. | 8 oz. |
| Flyweight | over 108 to 112 pounds | not more than 3 lbs. | 8 oz. |
| Super Flyweight | over 112 to 115 pounds | not more than 3 lbs. | 8 oz. |
| Bantamweight | over 115 to 118 pounds | not more than 3 lbs. | 8 oz. |
| Super Bantamweight | over 118 to 122 pounds | not more than 5 lbs. | 8 oz. |
| Featherweight | over 122 to 126 pounds | not more than 5 lbs. | 8 oz. |
| Super Featherweight | over 126 to 130 pounds | not more than 7 lbs. | 8 oz. |
| Lightweight | over 130 to 135 pounds | not more than 7 lbs. | 8 oz. |
| Super Lightweight | over 135 to 140 pounds | not more than 9 lbs. | 8 oz. |
| Welterweight | over 140 to 147 pounds | not more than 9 lbs. | 8 oz. |
| Super Welterweight | over 147 to 154 pounds | not more than 11 lbs. | 8 oz. |
| Middleweight | over 154 to 160 pounds | not more than 11 lbs. | 10 oz. |
| Super Middleweight | over 160 to 168 pounds | not more than 12 lbs. | 10 oz. |
| Light Heavyweight | over 168 to 175 pounds | not more than 12 lbs. | 10 oz. |
| Cruiserweight | over 175 to 195 pounds | not more than 20 lbs. | 10 oz. |
| Heavyweight | over 195 pounds | no limit | 10 oz. |