1. Basic material: EVA foam, PE foam, rubber foam, PU foam.
2. Top cover: Velet, cambrelle, visa, mesh, leather.
3. Optional plug: TPR pad, poron pad for shock absorption.
4. Optional poliyou layer for anti-bacteria and odor free.
Active Carbon Anti-bacterial Insole:
1. Top layer: fabric.
2. Mid layer: active carbon.
3. Bottom layer: non-woven fabric.
4. Anti-bacterial and odor free.