Calvin Klein Underwear - Eco Pure Modal Boxer Brief 3-Pack. Color Black. Low Stock. On sale for $38.95. MSRP $64.50.. 4.8 out of 5 stars1 left in stock+2 colors/patternsBrand NameCalvin Klein UnderwearProduct NameEco Pure Modal Boxer Brief 3-PackGenderMen'sColorBlackPrice$38.95MSRP: $64.50Rating5Rated 5 stars out of 5(61)