Get a special edition shirt. These t-shirts are printed up once a year so previous shirts can not be purchased. When inventory is sold out new ones will be issued.
Make sure you order the correct size, as mistakes can not be rectified once the order has been sent out. (guide line for chest size) small - 46 cm | medium - 51 cm | large - 56 cm | X-large - 61 cm | XXL - 66 cm | XXXL - 71 cm.