. Under Armour - HeatGear Authentics Shorty. Color Matrix Green/White. Low Stock. On sale for $22.97. MSRP $30.00.. 5.0 out of 5 starsNew1 left in stockBrand NameUnder ArmourProduct NameHeatGear Authentics ShortyColorMatrix Green/WhitePrice$22.97MSRP: $30.00Rating5Rated 5 stars out of 5(1)