Mens Polo Ralph Lauren Light Knit Crewneck Sweater in black. This sweater features a ribbed crew neck, ribbed cuffs and hem, and the signature Polo Pony motif. It is knitted with a slim fit and made from 100% Wool. Reference number: 710946143004. Elevate your wardrobe with this versatile piece, perfect for any occasion. It is made from Merino Wool and has a round neck. The composition is 100% Merino Wool. Care instructions: Machine wash cold, lay flat to dry.