Ping Apparel Mens Performance Layering Golf Mock Turtleneck Style - Knife Performance, can be worn as is or as under layering... more of a tailored fit. Chest Size - M-36-38", L-40-42", XL-44-46", 2XL-48-50 inches, 3XL -52"+ Overall length - 28-31 inches P3 fabric technology 88% Performance Polyester, 12% Spandex "Ping" logo embroidered on collar, "Mr. Ping" embroidered just at hem