Yoga, bodybuilding, dancing, etc. Are needed. One is to do various actions in a wide range, and the other is to make the actions more intuitive and easy to see whether the actions are in place. There are many sports to wear, such as track and field running. Lycra or spandex fabric is breathable, and sweat can be discharged immediately during running. If cotton sweats too much, clothes will cling to the body, and humidity will increase the burden of running. And cycling. Tight clothes don't go for a ride when riding, which saves a lot of effort when riding.