4.4 oz./yd², 97/3 polyester/spandex Micro-mesh Classic fit Fresh IQ anti-odor Flatlock-stitched Self-fabric collar Side vents Reflective ""C"" logo on back neck [tabs][tab title=""Size Chart""] Champion - Men’s Size Chart Chest Waist S 34-36"" 28-30"" M 38-40"" 32-34"" L 42-44"" 36-38"" XL 46-48"" 40-42"" 2XL 50-52"" 44-46"" 3XL 54-56"" 48-50"" [/tab][/tabs]