Polo Ralph Lauren - 4-D Flex Max Flex Boxer Brief w/ Rib Side Panel 3 Pack. Color Charcoal Heather/Andover Heather/Polo Black. On sale for $40.88. MSRP $49.50.. 4.8 out of 5 stars+2 colors/patternsBrand NamePolo Ralph LaurenProduct Name4-D Flex Max Flex Boxer Brief w/ Rib Side Panel 3 PackGenderMen'sColorCharcoal Heather/Andover Heather/Polo BlackPrice$40.88MSRP: $49.50Rating5Rated 5 stars out of 5(40)