Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Crewneck Sweater - This essential crewneck sweater is crafted from soft cotton and is a superb layering piece in cooler months. Ribbed crew neckline. Long sleeves with ribbed cuffs. Our signature embroidered pony accents the left chest. Ribbed hem. 100% cotton. Hand wash. Imported.