Polo Ralph Lauren - 3-Pack 4D-Flex Cool Microfiber Boxer Briefs. Color Charcoal Grey/Rugby Royal/Polo Black. Low Stock. On sale for $38.15. MSRP $54.50.. 5.0 out of 5 starsAdd to favorites. 0 people have favorited this4 left in stockBrand NamePolo Ralph LaurenProduct Name3-Pack 4D-Flex Cool Microfiber Boxer BriefsGenderMen'sColorCharcoal Grey/Rugby Royal/Polo BlackPrice$38.15MSRP: $54.50Rating5Rated 5 stars out of 5(11)