Flat Boots are boots in any variety of design and style but features thin soles and low heels, most often a half inch heel or less. Flat Boots are very versatile and fashionable yet comfortable enough for walking.
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.