Football training: In football training, coaches can make players wear training vests with different colors or numbers for group confrontation training, which can help players better understand tactics and improve teamwork ability, and also facilitate coaches to observe and guide players' performance. Basketball: In basketball training and competition, training vests can also be used to distinguish teams, which is helpful for players to quickly identify their teammates in rapid movement and confrontation and improve the accuracy of passing and cooperation. Other team sports: such as football, volleyball, curved stick.