noun
stand-up collar; mandarin collar
A collar that stands up around the neck, often seen on shirts, jackets, and traditional-inspired fashion. In Japanese fashion contexts, it may refer to both Western stand collars and mandarin-style collars.
from English stand collar
このシャツはスタンドカラーが特徴です。
This shirt features a stand-up collar.
彼はスタンドカラーのジャケットを
He was wearing a jacket with a mandarin collar.