When it's seriously frigid outside, we reach for our very warmest winter sweaters for women on the go. Our tried-and-true favorites always include: - The warmest fabrics that work hard to keep women's temps just right, like washable wool, breathable Smartwool, cozy Merino, warm fleece, cashmere, and sporty knit-blends. - Extra coverage features like t-neck and hooded designs, tunic lengths, and sweaters with thumbholes to keep us covered and keep the chill out. - Cozy cuts like pullovers, turtlenecks, and long sleeve tunics keep us warm, cozy, and moving through the winter.