By the end of the First World War, many changes in fashion came about. Short bobs became in, as well as pinafores worn above the knee. Corsets were gone, and women suddenly dressed like boys. The androgynous style soon became the in thing by 1925. Sportswear became hot trends among men and women, with popular designers Jean Patou with Coco Chanel helping popularize the athletic look.

Chanel was one of the most popular fashion movers of the era, as she was responsible for introducing chic and futuristic designs. She helped in making popular the bob hairstyle, use of jersey knit among women, as well as use of the little black dress. She also made popular the use of and knitwear among her clients.

Another popular French designer of the era was Jeanne Lanvin, who was responsible for introducing intricate trimmings, as well as impressive embroideries and decorations. By the middle of the decade she had manufactured an impressive line of products ranging from men's wear, sportswear, and lingerie.

Still another renowned designer of the decade was Jean Patou. While hers was never mainstream, Patou's was eccentric and original. She was known for her garments with clean lines, emphasized by luxury and practicality.

Men's wear became emphasized youthfulness and relaxation. Formality was being forgotten, as men preferred to show off their youthfulness. They wore short suit jackets, as well as short tuxedo, sweaters and short pants. Another trend was the London cut, made popular by the English tailor Scholte.