LAST YEAR, New York designer Molly Moorkamp made an audacious decision. She replaced her namesake line’s merino-wool-blend sweaters with cotton knits, which she now sells year-round—even in winter.

If you click on links we provide, we may receive compensation. Stock up on these Walmart picks now Walmart (3) There’s nothing I love more than fashion, especially stylish yet warm winter clothes. If ...