WAYLONGPLUS Mens Fitness Gym Tank Tops for Bodybuilding Stringer Muscle Workout The size in Asia is comparably (relatively) smaller. Please compare the detail sizes with yours before you buy!! I recommend larger size. Chest Medium 34.5" Large 35.5" X-Large 38.5" XX-Large 41" Length Medium 26" Large 26.5" X-Large 28" XX-Large 29" Material: Cotton Very stretchy that feels as good as it looks Excellent for the Gym, The loose fit makes them very comfortable and allows room to breath and stay cool