Approx size only (depends on tee brand availability)
 
Chest / Height in inches
S - 18/25- P500
M - 20/26- P500
L - 21/27- P500
XL - 22/28- P525
2XL - 23/29- P550
3XL - 25/30-P575
 
UNISEX / ROUND NECK