Textiles are generally sized in general sizes like small, medium, large etc etc. Some manufactures show how these sizes compare to UK chest measurements. The chart is shown below.
Detailed sizing charts
General size conversion. - UK chest.
Small..........mens 38"..........ladies 10
Medium......mens 40"..........ladies 12-14
Large.........mens 42"..........ladies 16
XL..............mens 44-46"......ladies 18
XXL............mens 48"-50"
XXXL..........mens 52"
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