T-Shirt Sizing.
(A) Length
Place the end of the tape beside the collar (Highest Point Shoulder). Pull the tape measure down to reference sizes below. (a)
(B) Chest
Measure yourself around the fullest part of your chest. Keep the tape measure horizontal.
XS - 68.6cm(a) 78.7 - 86.4cm(b)
S - 71cm(a) 86.4 - 94cm(b)
M - 73.7cm(a) 96.5 - 104cm(b)
L - 76.2cm(a) 106.7 - 114.3cm(b)
XL - 78.7cm(a) 116.8 - 124.5cm(b)
2XL - 81.3cm(a) 127 - 134.6cm(b)
3XL - 83.8cm(a) 137.2 - 144.8cm(b)