noun
hanging sleeve
A sleeve style that hangs loosely from the arm, often seen in historical or fantasy costume contexts. The term is a direct loan from English and is used in fashion and costume descriptions.
このドレスはハンギングスリーブが特徴的だ。
This dress is characterized by its hanging sleeves.
中世風の衣装にはハンギングスリーブがよく見られる。
Hanging sleeves are often seen in medieval-style costumes.