伊達だて締じめ

noun

thin under-belt for kimono

A narrow, soft belt worn over the kimono and under the obi to keep the kimono smooth and protect the fabric.

• 着き物ものを着きるときは、まず伊達だて締じめを締しめてから帯おびを結むすびます。

  When wearing a kimono, first tie the datejime, then tie the obi.