
| Construction | Functions | Materials |
|---|---|---|
| ① Top fabric | Inner tension member protection | Cotton, Synthetic fabric |
| ② Tension member | Primary material for transferring power | Polyester, Aramid |
| ③ Compression rubber | Sectional shape maintaining by side pressure | CR |
| ④ Bottom rubber | Shock absorption and prevention from compression rubber crack | CR |
CR : Chloroprene Rubber