Wedge sandals are sandals that feature a triangular, wedge heels that runs uniformly underneath the foot. This heel design can add height, but is often considered to be easier to walk in than other heeled sandals. Wedge sandals may have any variety of upper design or styling or colors.
About Zipper:
A zipper, sometimes called a 'slide fastener' is a device consisting of two toothed tracks or spiral metal or plastic coils, each bordering one of two edges to be joined, and a piece that either interlocks or separates them when pulled.