Under Armour Kids - Build Up 1/4 Zip Sweater (Little Kids). Color Lunar Purple. Low Stock. On sale for $25.84. MSRP $38.00.. 7 left in stockBrand NameUnder Armour KidsProduct NameBuild Up 1/4 Zip Sweater (Little Kids)ColorLunar PurplePrice$25.84MSRP: $38.00