ONLY AT SAKS. Saks Fifth Avenue's high-heel mules flaunt double-banded knotted straps. Leather upper Open toe Slip-on style Lining: Leather Leather sole Imported SIZE Heel height, 3.25" (85mm). Women's Shoes - Designer Classics > Saks Fifth Avenue > Saks Fifth Avenue > Barneys. Saks Fifth Avenue. Color: Azure Blue. Size: 8.5.