noun
French cuffs; double cuffs
Wasei-eigo from English 'double cuffs'; refers to shirt cuffs that are folded back and fastened with cufflinks.
wasei-eigo (Japanese-coined English), from double cuffs
このシャツはダブルカフスなので、カフリンクスが必要です。
This shirt has French cuffs, so you need cufflinks.