There was an aura of invincibility surrounding Mike Tyson in his prime and it reflected in his training. ... Tyson was 19-0 with 19 knockouts, and only 20 years old when he became the youngest ever heavyweight champ in boxing. 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.