Under Armour - Knockout Tank. Color Black/Black/White. On sale for $31.45. MSRP $35.00.. 4.6 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameUnder ArmourProduct NameKnockout TankGenderWomen'sColorBlack/Black/WhitePrice$31.45MSRP: $35.00