Uniqlo Washable Knit Rib Polo Sweater, Natural 30. I tried it on once at home, but I haven't worn it outside. Material: 53% Rayon, 24% Polyester, 23% Nylon Care: Machine wash cold, gentle cycle, use a mesh laundry bag. Do not dry clean. Dark colors may fade, so wash separately from other items. *Please understand that this item has been stored at home on a hanger by a non-professional, and purchase accordingly.