Sweater Dresses are great. Most of the items listed are on sale. We try to offer you discounted products always. Dressing to Impress history. The dresses, worn over blouses, became popular during the decade of the 1920s. Jumpers were often worn in the summer and made out of various types of fabrics. Jumpers were touted as an "American" and a "sports fashion" in 1930 by the Pittsburgh Press. In the '80s, they were comfy and slouchy, bright geometric patterns adorning the knits. In 2022, they are stately staples. And by "they," we mean sweater dresses. Made of knit or crocheted fabric, a sweater dress is the silhouette of the season.