Koolaburra by UGG Kids - Riley Shimmer (Little Kid/Big Kid). Color Black. Low Stock. On sale for $44.49. MSRP $49.99.. 4.8 out of 5 stars7 left in stockBrand NameKoolaburra by UGG KidsProduct NameRiley Shimmer (Little Kid/Big Kid)ColorBlackPrice$44.49MSRP: $49.99