Under Armour - Knockout Tank. Color Provence Purple/Purple Ace. On sale for $29.36. MSRP $35.00.. 4.6 out of 5 stars+8Brand NameUnder ArmourProduct NameKnockout TankColorProvence Purple/Purple AcePrice$29.36MSRP: $35.00Rating5Rated 5 stars out of 5(21)