The term 'BOSS IN FASHION' can be summarized by the crossword solution of 'HUGO, ' which is a four-letter word. Hugo Boss is a German fashion house that was founded in 1924 and is known for its luxury clothing, accessories, and fragrances. The company has become a leader in the fashion industry, with its products being worn by celebrities and other high-profile individuals. Hugo Boss is also known for its commitment to sustainability and ethical practices.