Designed exclusively for MR PORTER. MR PORTER X COS ' simple yet sophisticated rollneck jumper will add low-key polish to your cool-weather roster. Spun from remarkably soft wool, it's cut for a comfortable fit and has a rich claret hue with warm brown undertones. Try yours with cuffed jeans or done up with sharp tailoring. Shown here with COS trousers, COS trainers. Read the COS story in The Journal. Claret wool. Ribbed trims. 100% wool. Imported.