Flyweights were limited to a maximum of 49 kilograms in body mass.

They can accommodate a maximum of 4 kilograms (8.8 pounds) of hydrogen.

Heavyweights were limited to a maximum of 81 kilograms in body mass.

Featherweights were limited to a maximum of 57 kilograms in body mass.

Middleweights were limited to a maximum of 87 kilograms in body mass.

Finweights were limited to a maximum of 73 kilograms in body mass.

The event limited competitors to a maximum of 42 kilograms of body mass.

Bantamweights were limited to a maximum of 54 kilograms in body mass.

Boxers were limited to a maximum of 91 kilograms in body mass.

Welterweights were limited to a maximum of 67 kilograms in body mass.