lt also known as super fly weight (IBF/WBO) and Light Bantamweight, maximum weight for this division is 115 pounds (52.2 kg or 8 stone 3 lbs).

The super flyweight division was first established by the New York Walker Law in 1920 adaptable consistent weight divisions, but the division never went anywhere. Re-introduced by the World Boxing Council (WBC) in 1979 covering weights between 112 and 115 pounds.

The light middleweight division was first formed by the New York Walker Law in 1920. The division was universally accepted by the Austrian Boxing Council and European Boxing Union (EBU) in 1962. Re-introduced by the National Boxing Association (NBA) in 1962 (1956?), covering weights between 147 and 154 lbs. This weight class can be divided into two historical periods: 1956-1962 and 1963-present.