XS S M L XL 2XL 3XL 4XL Width, in 19.00 20.50 22.00 23.50 25.00 26.50 28.50 30.50 Length, in 27.00 28.00 29.00 30.00 31.00 32.00 32.50 33.00 Sleeve length, in 34.20 35.00 35.75 36.50 37.25 38.00 38.75 39.50 Highly versatile choice for running or gyming sessions. .: Material: 100% polyester .: Extra light fabric (3.8 oz/yd² (110 g/m²)) .: Regular fit .: Tear-away label