Polo Ralph Lauren thick shirt. Perfect for the coming season. Good as an outer layer, such as over a T-shirt. M size (US size) Size (laid flat, straight line): Shoulder width 45.5 cm, Underarm (width) 54 cm, Length 75 cm I, who usually wear L size AB6, can wear it just right. 100% cotton Winter specification, thick shirt. No scratches or wear. Thick and sturdy (see photo 4). Please consider. Color: Red Sleeve Length: Long sleeve Pattern/Design: Check Collar: Regular collar Material: Cotton