Cork Shoes are shoes that use cork as the main material for the midsole. The midsole of Cork Shoes is lightweight and spongy, and provides good cushioning while allowing the footbed to mold to the foot overtime.
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.