Under Armour Kids - Infinity 2.0 Novelty (Big Kid). Color Sonar Blue/Sonar Blue/Blue Surf. Low Stock. On sale for $46.80. MSRP $65.00.. Add to favorites. 0 people have favorited this2 left in stockBrand NameUnder Armour KidsProduct NameInfinity 2.0 Novelty (Big Kid)ColorSonar Blue/Sonar Blue/Blue SurfPrice$46.80MSRP: $65.00Rating