From nerdy Mister Rogers cardigans to rugged fishermen's pullovers, the sweater is a versatile garment, whose broad appeal obscures its recreational and sportswear origins. Sweaters were initially popularized by winter-sports enthusiasts in the late 19th century, as seen in early advertisements featuring skiers and hikers outfitted in heavy knit wool. The word sweater comes directly from this sportswear usage, as they were frequently marketed...Continue Reading