Ska Original Rudeboy Reggae Music T-Shirt. Ska is a music genre that originated in Jamaica in the late 1950s and was the precursor to rocksteady and reggae. Ska combined elements of Caribbean mento and calypso with American jazz and rhythm and blues. Digitally Printed on soft superior 100% Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. The Design Is Blended into the fabric of the shirt, No Peeling or Cracking High Quality Print. Quick Shipping By USPS First Class mail.