Final answer:
In the 1920s, the silhouette for men underwent significant changes influenced by the emergence of the Jazz Age and flapper culture. Men's fashion featured looser and more casual clothing, including wider trousers and shorter jackets.
Step-by-step explanation:
In the 1920s, the silhouette for men underwent significant changes. The popular style of the time was influenced by the emergence of the Jazz Age and the flapper culture. Men's fashion in the 1920s featured a more relaxed and casual look, with a focus on comfort and mobility.
Suits were often looser and less structured, with wider trousers and shorter jackets. Additionally, men began to wear more casual clothing such as sportswear and knitted sweaters.