The short sleeve jacket is a favorite in modern Wushu Changquan. The latter means “Long fist”; that’s how it is called in China. Nowadays in all kinds of bright colors, gold or silver trims and elaborate embroidery.
Classic plain models will appeal more to practitioners of traditional kung fu. For those who would like to practice with short sleeve: taiji quan can of course also be practiced in it.
About clothing sizes: the size is indicated in the body height in centimeters. So a pants or jacket size 170 means that it is suitable for someone with a body height of 170 cm. If you are of average build and you choose a suit that suits your height, it will fit loosely; the clothing is loose-fitting.