The term "welterweight" refers to a specific weight class in professional boxing and mixed martial arts. In boxing, the welterweight division includes fighters who weigh between 140 and 147 pounds (63.5 to 66.7 kg). This category is known for its combination of speed and power, making it a popular and competitive division. In addition to boxing, the welterweight classification is also used in mixed martial arts (MMA). In MMA, the welterweight limit is typically set at 170 pounds (77.1 kg). Fighters in this division often showcase a blend of striking and grappling skills, contributing to exciting matchups and dynamic performances.