Under Armour Kids - Build Up 1/4 Zip Sweater (Little Kids). Color Lunar Purple. Low Stock. On sale for $33.44. MSRP $38.00.. 4 left in stockBrand NameUnder Armour KidsProduct NameBuild Up 1/4 Zip Sweater (Little Kids)ColorLunar PurplePrice$33.44MSRP: $38.00