For some sports, such as running, fitness and so on. It is necessary to keep the clothes fit properly with the body, reduce extra resistance, and at the same time avoid the clothes moving up and down during exercise. If the clothes are too big, it may bring inconvenience to exercise, such as affecting the line of sight, procrastinating and so on. However, if the clothes are too small, it may limit the exercise. For example, when doing aerobic exercise or aerobic exercise, it may affect breathing because the clothes are too tight.
If you are doing some stretching exercises, such as yoga and pilates, loose clothes may be more suitable to prevent too tight clothes from rubbing or discomfort during stretching. In addition, if you do some high-intensity training, such as strength training, tight clothes can reduce the displacement and shaking of clothes when sweating and provide better comfort and support.
Generally speaking, when buying sportswear, you should consider your own sports needs and habits and choose the clothes that suit you best. If possible, it's best to try it on in a physical store before buying it. This can ensure that the purchased clothes provide appropriate support and comfort in actual exercise.