The specialty spun fibers provide a smooth surface for premium printing vividity and sharpness. No side seams mean there are no itchy interruptions under the arms. The shoulders have tape for improved durability. S M L XL 2XL 3XL 4XL 5XL Width, in 17.99 20.00 21.97 23.98 25.98 27.99 30.04 31.97 Length, in 28.00 29.00 30.00 31.00 32.00 33.00 34.00 35.00 Sleeve length, in 7.24 7.76 8.23 8.74 9.25 9.76 10.24 10.75 .: 100% cotton (fiber content may vary for different colors) .: Medium fabric (5.3 oz/yd² (180 g/m²)) .: Classic fit .: Tear-away label .: Runs true to size