Russian Prison Tattoo Tomcat with Knife graphic t-shirt. 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. Russian Prison Tattoos served as a coded language for criminals. it identified the status and rank of the person wearing the tattoo.