| 摘要 |
The insert (10a) has an elevated ventilation surface with low frictional coefficient. A back layer (100) is provided, which has an internal surface (101) and an external surface (102). A cushion (110) is provided with a layer made of polyurethane-foam. The side opposite to the cyclist body supports volcano shaped, conical or cylindrical microcapsules (140), which are made of flexible thermoplastic or elastomeric material or made of both materials. The micro capsule has a concave dropping, which is provided with a recess at the vertex. |
