This is a men's Polo Ralph Lauren long sleeve collared button down shirt in white with a black and green all over tattersal pattern.  There is a flesh pony with multi colored rider embroidered at the left chest, single button cuffs with single button sleeve plackets, inverted back pleat for added comfort and a rounded / curved hemline.  The measurements lying flat are:  Chest 28, shoulder to shoulder 21, neck 8.5, arm length 25, and length form top of the shoulder to hem is 31".  Please contact me with any questions.