Why is brassiere singular and panties plural?

hi -  Why is brassiere singular and panties plural?
India
April 1, 2007 5:21am CST
Why is brassiere singular and panties plural?
1 response
@Kythe42 (1412)
• United States
1 Apr 07
No clue. There are 100s of things in the English language that don't make sense. Why do you park on a driveway and drive on a parkway?