This is a men's Vans Off The Wall short sleeve multi color plaid button up collared shirt with button closure patch pocket at the left chest with sewn logo label, embroidered checkerboard logo at inside front placket, and  a rounded / curved hemline.  The measurements lying flat are:  Chest 21, neck 9, shoulder to shoulder 19, arm length 9.5, and length from top of the shoulder to hem is 30".  Please contact me with any questions.