Montsuki kosode has the same shape as that of the common kosode (called "nagagi" [full-length garments]), and the characteristic of montsuki kosode is the use of family crests: - one at the center of the back, two situated symmetrically on the backs of the sleeves, and two symmetrically on the chest.
その形状は通常の小袖（長着）と特に異なるところはなく、背中の中央部、両袖の後側、両胸の部分に紋が入っているところが特徴である。