To find out your size first measure your chest. For example, if your chest is 50"(inches), select 50" from the bottom row named " To fit chest " and select column with 50". The Top Row will show your size i.e 4XL.
NOTE: Please select your size from the size chart. We may charge Postage and Return Postage to you in case of Return and/or Exchange. Please Contact us If you have any confusion selecting your size.