RTXtra Mens Premium Pique Knit Polo Shirt Polyester, Cotton, Pique knit premium polo with 3 button placket design in self colored button with a spare button included. Taped neck and twin needle stitching for durability. Ottoman collar and cuffs. Droptail with side vents for extra comfort. Size Chest (to fit) S - 34 M - 38 L - 42 XL - 46 2XL - 50 3XL - 54 4XL* - 58 * Size 4XL only available in Black, Navy and White.