In-line roller skate including a soft, pliable, and comfortable shoe body having structural foot support components positioned in selected strategic areas such as the ball, heel, and ankle. In one embodiment, the structural components are made of semirigid plastic that may be heat-moldable to conform...http://www.google.co.uk/patents/US20030193152?utm_source=gb-gplus-sharePatent US20030193152 - In-line roller skate
