This is a Ralph Lauren pique knit short-sleeved polo shirt. It's 100% cotton and says "made in USA." Brand: Polo by Ralph Lauren Material: 100% Cotton Color: Gray Size: L Flat measurements: Length: 79cm Width: 53cm Shoulder width: 48cm Sleeve length: 25.5cm Please understand that there may be some errors due to amateur measurements. There is some fraying on the left and right hems, but it does not affect wear. The size is listed as L, but it has a rather large fit.