This is a men's Nike Golf Fit Dry short sleeve collared 2 button placket polo shirt in blue.  Built for lasting comfort through 18 holes, this style has mesh vented panels in front and back for stretchable, breathable performance.  The venting is a gradient pattern, smaller at the top and larger at the bottom.  The Nike Swoosh logo is is embroidered in white at the left arm.  The measurements lying flat are:  Chest 23, shoulder to shoulder 21, neck 9, arm length 10, and length from top of the shoulder to hem is 29".  This is in great condition, please contact me with any questions.