Under Armour - Knockout Tank. Color Matrix Green/White. On sale for $27.61. MSRP $35.00.. 4.6 out of 5 stars+8Brand NameUnder ArmourProduct NameKnockout TankGenderWomen'sColorMatrix Green/WhitePrice$27.61MSRP: $35.00Rating5Rated 5 stars out of 5(21)