Timberland PRO Men's Mad as Henley Long Sleeve Shirt 50% Cotton, 50% Polyester Imported Machine Wash 8.8-ounce 50 percent cotton, 50 percent polyester Heavyweight cotton/polyester blended textured knit with brushed back Wicking and anti-odor treatments to help keep you fresh and comfortable 3-button placket for a classic timeless look Dual side vents and back neck trimmed in twill tape