Cool Vintage Mustang 1970's Brown Patterned Button Up Shirt - Size Neck 16

Cool Vintage Mustang 1970's Brown Patterned Button Up Shirt - Size Neck 16 inches - No Care tag, but it feels like polyester. Very lightweight. One chest pocket. All measurements are taken flat Shoulder (Top of Sleeve seam to Top of Sleeve seam) - 19 inches Chest (1" Below the bottom of the Sleeve Seam) - 21 inches Stomach ( Halfway between bottom of the Sleeve seam and bottom hem) - 21.5 inches Length (Top of Back on Neck to bottom front hem) - 28.75 inches Sleeve Width (at elbow) - 7.25 inches Sleeve length (from top of Shoulder seam to edge of cuff) - 20.75 inches Cuff width - 3 inches Neck (From the middle of the collar button to the far end of the button hole) - 16 inches