Он надел костюм ковбоя на костюмированную вечеринку.
Definitions
A cowboy outfit typically refers to a style of clothing associated with cowboys, which may include items such as a wide-brimmed hat, a button-up shirt, denim jeans or chaps, cowboy boots, and a belt with a large buckle. This attire is often characterized by its ruggedness and practicality for working on ranches or in the outdoors.
