Synthetic, Rubber sole. Soft and skin-friendly insole and lining can better fit your foot. Flexible rubber sole provides stability and great cushion to reduce foot fatigue. Using standard US size and elastic band makes it easy to put on and off and reduces grinding your feet. Neat stitching and graceful lines convey its simplicity and fluidity for formal or casual occasions. Design: Produced through polishing enrich the premium faux leather upper with good gloss while keeping an elegant look.