Mazey's Mens Classic 3 finger Button Down Collar RedWhite/Blue100% Cotton Checked Shirts with Half Back Pleat and loop with 2 buttons finishing on the sleeves Approximate sizing as follows:
S – 36″ – 38″
M – 38″ – 40″
L – 40″ – 42″
XL – 42″ – 44″
2XL – 44″ – 46
3XL – 46″ – 48″
4XL – 48″ – 50″