Ninety Union's eye-catching `Vegas' sandals are elevated by metallic circular heels and feature transparent lucite uppers accented with colorful stones for a playful look. Synthetic upper Square toe Slip-on Lining: Synthetic Synthetic sole Imported SIZE Heel, about 3" (76mm). Shoes - W Trend Shoes > Saks Off 5th > Barneys Warehouse. Ninety Union. Color: Lime. Size: 13.