Under Armour Kids - Infant Surge 4 Alternate Closure (Toddler). Color Morph Green/Black/Castlerock. On sale for $36.62. MSRP $45.00.. 3.0 out of 5 stars+3Brand NameUnder Armour KidsProduct NameInfant Surge 4 Alternate Closure (Toddler)ColorMorph Green/Black/CastlerockPrice$36.62MSRP: $45.00Rating3Rated 3 stars out of 5(2)