New finer knit gauge for enhanced printability. New one piece cotton/Lycra neck for improved shape retention. Shoulder to shoulder taping. Twin needle stitching detail on neck, sleeves and hem. Size Chest (to fit)S - 35/37" M - 38/40" L - 41/43" XL - 44/46" 2XL - 47/49" 3XL - 50/52"