Under Armour Kids - Grade School Surge 4 (Big Kid). Color Black/High-Vis Yellow/Circuit Teal. On sale for $45.95. MSRP $55.00.. 4.9 out of 5 stars+4Brand NameUnder Armour KidsProduct NameGrade School Surge 4 (Big Kid)ColorBlack/High-Vis Yellow/Circuit TealPrice$45.95MSRP: $55.00Rating5Rated 5 stars out of 5(14)