Under Armour - Knockout Tank. Color Black/Black/White. On sale for $24.50. MSRP $35.00.. 4.6 out of 5 starsAdd to favorites. 0 people have favorited this+7Brand NameUnder ArmourProduct NameKnockout TankGenderWomen'sColorBlack/Black/WhitePrice$24.50MSRP: $35.00Rating5Rated 5 stars out of 5(21)