FABRICATION 50% Polyester, 25% Combed and Ring-Spun Cotton, 25% Rayon Sizing: Point of Measurement (inches) Chest HPS Small 15 3/4 26 Medium 16 1/2 26.5 Large 17 1/2 27 1/8 XL 18 1/2 27 3/4 2 XL 19 1/2 28 3/8