90% Polyester, 10% Spandex. Design: Plain, Swoosh. Fastening: Button. Neckline: Collared, Taped, Top Stitched. Sleeve-Type: Short-Sleeved. Hem: Straight. Fabric Technology: Breathable, Dri-FIT, Four Way Stretch, Lightweight, Moisture Wicking. S: 37.5 in. M: 41.5 in. L: 44 in. XL: 48.5 in. XXL: 53.5 in.