The "lightweight division" is a category in combat sports, particularly in boxing and mixed martial arts (MMA), that includes fighters who weigh up to 155 pounds (70.3 kg). This division allows athletes of similar sizes to compete against each other, ensuring fair matchups and promoting safety. Fighters in the lightweight division are known for their speed and agility, often showcasing a mix of striking and grappling skills. Notable champions in this division include Conor McGregor and Khabib Nurmagomedov, who have gained fame for their exceptional performances and rivalries within the sport.