Rawlings SRG Performance Shirts Adult Youth SRGPS YSRGPS This SRG Performance Shirt features a short sleeve crew neck with raglan sleeves. This athletic fit shirt is made of 92% polyester with 8% spandex and has mesh inserts on the side of the body and along the front and back of the raglan sleeves for maximum airflow. Short sleeve crew neck athletic fit performance shirt with raglan sleeves Body: 92% polyester/8% spandex Mesh inserts on side of body and along front and back of raglan sleeves for maximum airflow Mesh Inserts: 90% polyester/ 10% spandex Pro Dri technology Manufacturer s Mens/Adult Size ChartSIZE S M L XL 2XL 3XL CHEST 34 - 36 38 - 40 42 - 44 46 - 48 50 - 52 54 - 56 For chest size, measure under the arms level across back muscles and chest. Have the person take a deep breath when reading the measurement. Manufacturer s Youth Size ChartSIZE YM YL YXL CHEST 30 - 32 34 - 36 38 - 40