Because people got cold, and it caught on.
Underneath Your Clothes was created in 2001.
Clothes iron was created in 1882.
Vintage Clothes was created in 2007.
Oxxford Clothes was created in 1916.
Summertime Clothes was created in 2008-02.
Fine Clothes to the Jew was created in 1927.
The King's New Clothes was created in 1961.
Thieves' Clothes was created on 1920-05-22.
Put Your Cat Clothes On was created in 1986.
Baby Clothes was created on 1926-04-25.
Clothes-Line was created on 1937-09-30.
The Clothes Show was created on 1986-10-13.