Cowboy hat, cowboy pyjamas, a toy cowboy gun, a cowboy holster to put the gun in, cowboy clothes (cowboy boots, cowboy jacket, cowboy trousers etc.), cowboy books, cowboy videos and DVDs, anything cowboy really.
In German, trousers are called "Hose."
They are just Low Crotch Pants/Trousers.
A cowboy from Mexico is a vaquero.
John Wayne , early in his career , would often be seen with the cuffs of his trousers rolled up .
bloomers
jodphurs
strossers
truffles
They wear jeans.
Tartan trousers worn in Scotland are called trews.
I think there called skorts