More specifically, a Court cap consists of the following parts: hitai which refers to the upper part of the main part put on the head, tamaberi which refers to the brim of the main part (the front and the side of the brim are called iso, and the rear part is called umi), koji, etsubo which refers to the pocket in which an ei is inserted, esode which is also inserted in an etsubo, and ei.
細かく分ける場合、頭に被る部分の上部を額（ひたい）、縁を玉縁（たまべり/前面から側面を磯・後ろを海と呼ぶ）、巾子に、纓を入れる纓壺（えつぼ）、纓の根元にある纓壺に差し込む纓袖（えそで）、纓と呼び分ける。