Calvin Klein Underwear - CK Black-Micro Boxer Brief. Color Grey Sky. On sale for $25.04. MSRP $38.00.. 5.0 out of 5 stars+3 colors/patternsBrand NameCalvin Klein UnderwearProduct NameCK Black-Micro Boxer BriefGenderMen'sColorGrey SkyPrice$25.04MSRP: $38.00Rating5Rated 5 stars out of 5(2)