Under Armour Kids - Performance Polo (Big Kids). Color Academy. On sale for $26.97. MSRP $30.00.. 4.7 out of 5 starsScroll Left Scroll RightBrand NameUnder Armour KidsProduct NamePerformance Polo (Big Kids)ColorAcademyPrice$26.97MSRP: $30.00Rating5Rated 5 stars out of 5(34)