Under Armour Kids - Grade School Flash (Big Kid). Color Castlerock/Steel/Phoenix Fire. Low Stock. On sale for $41.00. MSRP $50.00.. 4.7 out of 5 starsAdd to favorites. 0 people have favorited this1 left in stock+3Brand NameUnder Armour KidsProduct NameGrade School Flash (Big Kid)ColorCastlerock/Steel/Phoenix FirePrice$41.00MSRP: $50.00Rating5Rated 5 stars out of 5(10)