There are four women's weight classes and eight men's weight classes. The classes are: Strawweight (under 115 lbs includes women only); Flyweight (116 - 125lbs includes men and women); Bantamweight (126 - 135 lbs includes men and women); Featherweight (136 - 145 lbs includes men and women); Lightweight (146 - 155 lbs includes men only); Welterweight (156 - 170 lbs); Middleweight (171 - 185 lbs); Light Heavyweight (186 - 205 lbs); and Heavyweight (up to 265 lbs).