Generally called tights, such as Nike pro and ua clothes, professionally called "compression pants". Skins (coping, support is not as good as cw-x), 2xu (coping, triathlon), cw-x (supporting, coping is not as good as skins) in Japan, and zoot (triathlon, comprehensive) in the United States. ), compressport (main triathlon, cross-country running, leggings are fist products), high-end X-bionic (high-tech, more expensive than others). )