High Mileage Vance Leather s Premier Leather Line Features : Top-grain Leather 2 snap Euro collar Zip down closure Inside wallet storage pocket Inside cell phone pocket Removable quilted liner Holds 2 spare clips 2 vents on the front Snap and zipper closure on sleeves for adjustability 2 outside pockets Fixed mesh liner 2 gun pockets Hook and loop closures on sides for adjustability Please use a cloth tape measure to measure the circumference of your chest in inches. Please add 1 if the measurement is an odd number to make it even. Choose the size from the chart below. Size Chart Size Chest S 42 M 44 L 46 XL 48 2XL 50 3XL 52 4XL 54 5XL 56