Under Armour Kids - Infant Surge 4 Alternate Closure (Toddler). Color Mod Gray/Castlerock/Phoenix Fire. On sale for $36.33. MSRP $45.00.. 3.8 out of 5 stars+4Brand NameUnder Armour KidsProduct NameInfant Surge 4 Alternate Closure (Toddler)ColorMod Gray/Castlerock/Phoenix FirePrice$36.33MSRP: $45.00Rating4Rated 4 stars out of 5(8)