Calvin Klein Underwear - Intense Power Ultra Cooling Boxer Brief. Color Black. On sale for $21.00. MSRP $28.00.. 4.7 out of 5 starsBrand NameCalvin Klein UnderwearProduct NameIntense Power Ultra Cooling Boxer BriefColorBlackPrice$21.00MSRP: $28.00Rating5Rated 5 stars out of 5(3)