The extra-fine Merino wool used to make this Zip Mock Neck Sweater Vest was produced at the famous Zegna Baruffa Lane Borgosesia wool mill in Italy. It is a fiber of outstanding quality selected from the best producers in Australia and spun by Baruffa. It is lightweight, as delicate as silk, and as soft as cashmere. Its air permeability makes it one of the most comfortable fibers you can wear. Zoom in and check out the details on this Men's Zip Mock Neck Sweater Vest. They are impeccable & timeless! Your Viyella merino wool sweater offers luxurious comfort.