Under Armour Kids - Performance Polo (Big Kids). Color Pitch Gray Light Heather/Black. On sale for $27.30. MSRP $30.00.. 4.9 out of 5 stars+5Brand NameUnder Armour KidsProduct NamePerformance Polo (Big Kids)ColorPitch Gray Light Heather/BlackPrice$27.30MSRP: $30.00Rating5Rated 5 stars out of 5(10)