Sizing Problem??????

Intimo Men's Classic Silk BoxersI have tried to order Maron/Burgundy Silk Boxers twice, and had to return them both times! The first time I ordered 2 pairs,1ea Forest 304 X-Large, & 1ea Maron/Burgundy X-Large*(40-42)**Per the Sizing chart referenced at the time of selection!The Forest 304 X-Large fit find,But the Maron/Burgundy X-Large was Soooooo much smaller?They were both ordered as X-Large*(40-42)*but when I laid them down on my bed, one on top of the other I could see the difference right away.The Forest 304 measured 17.5 inches across.But the Maron/Burgundy X-Large measured only 15 inches across. Both Times?Why the difference? Suppose to be the SAME SIZE! X-Large*(40-42)*Does amazon.com/Intimo have a SIZING Problem!!!!!Do they Care?