Team Fortress 2

A man dressed in a red jumpsuit with a black vest adorned with yellow and silver cylinders, holding a large knife in his hand. The man's attire is likely inspired by the character Demoman from the popular video game Team Fortress 2. He wears a black beanie on his head, which adds to the overall aesthetic of the costume. In the background, a glass building can be seen, providing a modern and sleek contrast to the man's rugged appearance.