noun
sanitary shorts; period panties
Underwear designed for menstruation, often with built-in absorbent layers or used with pads. サニタリーショーツ is a common synonym.
See also: サニタリーショーツ
生理用ショーツは、普通の下着より吸水性が高い。
Sanitary shorts are more absorbent than regular underwear.