Which designer was credited with inventing American sportswear?

The designer most often credited with inventing American sportswear is Claire McCardell. During the early 20th century, she created ready-to-wear apparel for women that was visually appealing but casual enough for everyday wear. Her brand was called Claire McCardell Clothes by Townley. On 1stDibs, find a diverse assortment of women's vintage apparel.