Shirt measurements are approximately as follows:
2nd shirt adult S: W=cm/L=cm, M: W=51cm/L=65cm, L: W=58cm/L=72cm, XL: W=60cm/L=73cm,
XXL: W=63cm/L=75cm
(W=width measured across chest / L=length measured down the back)

06/07 shirt measurements are approximately as follows:
S: A=51cm/L=72cm, M: A=55cm/L=74cm, L: A=58cm/L=76cm, XL: A=60cm/L=80cm, XXL: A=64cm/L=82cm