noun
casual felt hat; milky hat
A soft felt hat with a dented crown and a brim, originally white or light-colored. The term is wasei-eigo from 'milky hat' and refers to a style popular in mid-20th-century Japan, similar to a fedora or trilby.
wasei-eigo (Japanese-coined English), from milky hat
祖父の若い頃の写真には、ミルキーハットをかぶった姿が写っている。
In photos from my grandfather's youth, he is wearing a milky hat.
昭和初期の紳士は、スーツにミルキーハットを合わせることが多かった。
Gentlemen in the early Showa period often paired a suit with a milky hat.