The Men’s Merino Wool 1/4 Zip Sweater Vest by Donald Ross Sportswear. Drawing on our sartorial roots in classic menswear, this luxuriously soft 100% merino wool sweater is perfect for cool crisp fall days and winter warmth. The natural fiber wicks moisture away from your body keeping you dry and comfortable. The buttery soft 100% Merino Wool fabric provides unparalleled warmth, comfort, and style. We deliver an array of beautiful colors that will act as your outfit staple and seasonal essential all at once. Dress it up or down, the Men’s Merino Wool 1/4 Zip Sweater Vest is the perfect addition to your Fall wardrobe.