Contestants shall use the following weight classes:

1. (1) Mini-Flyweight up to 105 lbs.;
2. (2) Junior-Flyweight – over 105 lbs. up to 108 lbs.;
3. (3) Flyweight – over 108 lbs. up to 112 lbs.;
4. (4) Junior Bantamweight – over 112 lbs. up to 115 lbs.;
5. (5) Bantamweight – over 115 lbs. up to 118 lbs.;
6. (6) Junior Featherweight – over 118 lbs. up to 122 lbs.;
7. (7) Featherweight – over 122 lbs. up to 126 lbs.;
8. (8) Junior Lightweight – over 126 lbs. up to 130 lbs.;
9. (9) Lightweight – over 130 lbs. up to 135 lbs.;
10. (10) Junior Welterweight – over 135 lbs. up to 140 lbs.;
11. (11) Welterweight – over 140 lbs. up to 147 lbs.;
12. (12) Junior Middleweight – over 147 lbs. up to 154 lbs.;
13. (13) Middleweight – over 154 lbs. up to 160 lbs.;
14. (14) Super Middleweight – over 160 lbs. up to 168 lbs.;
15. (15) Light Heavyweight – over 168 lbs. up to 175 lbs.;
16. (16) Cruiserweight – over 175 lbs. up to 190 lbs.;
17. (17) Heavyweight – over 190 lbs. up to 200 lbs.; and
18. (18) Super Heavyweight – over 200 lbs.