Under Armour - Knockout Tank. Color Black/Black/White. On sale for $24.97. MSRP $35.00.. 4.6 out of 5 stars+8Brand NameUnder ArmourProduct NameKnockout TankColorBlack/Black/WhitePrice$24.97MSRP: $35.00Rating5Rated 5 stars out of 5(21)