Under Armour Kids - Grade School Flash (Big Kid). Color Black/Mod Gray/White. On sale for $50.10. MSRP $55.00.. 4.7 out of 5 stars+3Brand NameUnder Armour KidsProduct NameGrade School Flash (Big Kid)ColorBlack/Mod Gray/WhitePrice$50.10MSRP: $55.00Rating5Rated 5 stars out of 5(10)