Comfort sandals are sandals distinguished by the ease of wear and comfort provided to the wearer. Comfort sandals are designed and manufactured using specific technologies to ensure comfort over long duration of use.
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.