WIZIKOREA Men's Long Sleeve Plaid Button Shirt Compositon :Cotton 65%, Nylon 35%, Polyurethane 5% Machine Washable (Recommended hand Wash) This Long sleeve button up dress shirt is perfect for any occasion Slim-Fit, Sizes are a littile tight. Sizes run smaller than you think. Please check sizing information in Product Description to ensure your size prior to oredering