Under Armour - Knockout Tank. Color Vivid Magenta/White. On sale for $25.31. MSRP $35.00.. 4.6 out of 5 starsAdd to favorites. 0 people have favorited this+7Brand NameUnder ArmourProduct NameKnockout TankGenderWomen'sColorVivid Magenta/WhitePrice$25.31MSRP: $35.00Rating5Rated 5 stars out of 5(21)