noun
jinbei; traditional summer wear
A casual, lightweight summer outfit consisting of knee-length shorts and a short-sleeved jacket, often worn as loungewear or at festivals. Cross-referenced with 甚兵衛, an alternate spelling.
See also: 甚兵衛
夏祭りには甚平を着て出かけます。
I go to the summer festival wearing a jinbei.
祖父は家でいつも甚平を着ている。
My grandfather always wears a jinbei at home.
The origin is uncertain; the kanji 甚平 may be ateji. The garment is a traditional Japanese summer outfit.