Calvin Klein Underwear - CK Black-Micro Boxer Brief. Color Grey Sky. Low Stock. On sale for $29.36. MSRP $38.00.. 5.0 out of 5 stars4 left in stock+2 colors/patternsBrand NameCalvin Klein UnderwearProduct NameCK Black-Micro Boxer BriefGenderMen'sColorGrey SkyPrice$29.36MSRP: $38.00Rating5Rated 5 stars out of 5(3)