1, there is a difference in sleeve length between mid-range clothes and summer clothes. Jk uniforms have the same thickness as summer clothes, except for sleeves, which are usually worn in spring or early autumn.

2.jk uniform lapels are generally divided into four basic lapels: Ladbrokes lapels, Kanto lapels, Kansai lapels and Nagoya lapels. A book refers to a lapel, two books are two, three books are three, and parents and children are two lapels, one wide and one thin, with different colors.