Calvin Klein Underwear - Intense Power Ultra Cooling Boxer Brief. Color Black. Low Stock. On sale for $16.80. MSRP $28.00.. 4.7 out of 5 stars4 left in stock+3 colors/patternsBrand NameCalvin Klein UnderwearProduct NameIntense Power Ultra Cooling Boxer BriefGenderMen'sColorBlackPrice$16.80MSRP: $28.00Rating5Rated 5 stars out of 5(72)