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 $40.87. MSRP $54.50.. 4.8 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NamePolo Ralph LaurenProduct Name4-D Flex Max Flex Boxer Brief w/ Rib Side Panel 3 PackGenderMen'sColorCharcoal Heather/Andover Heather/Polo BlackPrice$40.87MSRP: $54.50Rating5Rated 5 stars out of 5(40)