Mizuto Hirota competes in Featherweight division, which refers to what weight class?
Featherweight (MMA) The featherweight division in mixed martial arts refers to different weight classes:
Boxing at the 2002 Asian Games – Men's 57 kg The men's featherweight (57 kilograms) event at the 2002 Asian Games took place from 2 to 13 October 2002 at Masan Gymnasium, Masan, South Korea.