Enimay Men's Plaid Collared Short Sleeve Button Down Tight Fit Casual Shirt Casual Wear Button Down Short Sleeve Collared Shirt / Tight Sleeves 60% Cotton / 40% Polyester Machine Wash Cold / Do Not Bleach / Tumble Dry Low / Warm Iron When Needed Please Refer to Sizing Chart for the Most Accurate Fit Runs Small / Go 1 Size up for Normal Tight Fit / Go 2 Sizes up for Normal Fit