カンカン帽 (かんかんぼう) Japanese meaning | KotomoraMeanings
1
noun
boater hat; straw hat
A stiff, flat-crowned straw hat with a brim, often associated with summer and traditional school uniforms or retro fashion.
夏の制服にカンカン帽が指定されている学校もある。
Some schools require a boater hat as part of the summer uniform.