| 摘要 |
<p>Pref. the pocket can be inflated by air or a fluid, and is of plastics or rubber. The flexible layer is of expanded polyurethane foam, latex, or other yieldable resilient matl., to compensate, control and correct the pressure of the foot on the inflatable pocket, and has a smooth outer layer and an inner layer which fits the anatomy of the foot. Specif., the insert keeps the wearer's foot in the correct posn. and ensures max. comfort.</p> |
