Mens Classic Stone Harrington Jackets Metal Zipped with tartan lining and inner pocket two side pockets with button up flaps collared with the option for buttoning up with two buttons
Approximate sizing as follows:
XS – 34″ – 36″
S – 36″ – 38″
M – 38″ – 40″
L – 40″ – 42″
XL – 42″ – 44″
2XL – 44″ – 46
3XL – 46″ – 48″
4XL – 48″ – 50″
5XL - 50" - 52"

Take a look at the full range of  here.