It was approved by the Association of Boxing Commissions on July 26, 2017.
[1] The upper limit was set at 165 lb (74.8 kg).
Some UFC fighters, including Ben Askren, Kevin Lee, Dustin Poirier and Conor McGregor, have expressed interest in competing in a new UFC 165 lb division.
[1] Regional mixed martial arts promotion King of the Cage has implemented a 165-pound weight class and championship, though they refer to their 165-pound weight class as Light Welterweight and have moved their Welterweight division up from 170 pounds to 175 pounds.
This article related to mixed martial arts is a stub.