Under Armour - Knockout Tank. Color Provence Purple/Purple Ace. On sale for $31.46. MSRP $35.00.. 4.6 out of 5 stars+8Brand NameUnder ArmourProduct NameKnockout TankColorProvence Purple/Purple AcePrice$31.46MSRP: $35.00Rating5Rated 5 stars out of 5(21)