noun
detachable collar for under-kimono; han-eri
A decorative, replaceable collar piece sewn or attached to the under-kimono (juban) to protect it from soiling and to add a stylish accent at the neckline.
着物を着るときは、半襟をきれいに付けるのが大事です。
When wearing a kimono, it is important to attach the han-eri neatly.
この半襟は刺繍が入っていて華やかですね。
This han-eri has embroidery and looks gorgeous, doesn't it?