J. Crew sweater is made of 100% merino wool in colors cocoa brown with dark navy blue polka dots and neckline. The sweater has a crew neck and 3/4 sleeves. Approx measurements 25.5" long center back, 36" armpit to armpit. Size Medium. EUC no stains or flaws. The content tag on the inside seam is missing but I looked the item up and it is merino wool.