Jayce Polo In Cotton LinenA polo sweater that works year round. Details that make a difference: Cotton linen yarn Ribbed slim fit Real shell buttons from the sea True to size. Joao is 6'3" and wearing a size medium. Size medium measures 42" around the chest, 17. 5" across the shoulder, and 26" long. Sleeve length measures 18" from the neck. 60% organic cotton and 40% linen. Hand wash or machine wash in cold water with non toxic detergent and lay flat to dry.