It also known as Light Flyweight (WBA/WBC) and Junior Flyweight (IBF/WBO), maximum weight for this division is 108 pounds (49 kg or 7 stone 10 lbs).
The light flyweight division was first recognized by the New York Walker Law in 1920 regulating identical weight divisions and was set at 109 pounds. When the National Boxing Association (NBA) was formed in 1921, it also renowned this weight class. However, on January 19, 1922, the NBA decided to withdraw acknowledgment of the light flyweight division. On December 31, 1929, the New York State Athletic Commission (NYSAC) also abolished the light flyweight class. No champion had been crowned in this division prior to its abolition. Again introduced by the World Boxing Council (WBC) in 1975, covering all weights up to 108 lbs. Jockey Joe Dillon generally is considered the first World Champion, although he never fought for the title.