| 摘要 |
A shoe insole comprising a first layer 22 in the heel section providing lift, a second layer 24 extending from the heel section to the ball of the foot, an edge of the second layer following an angle subtended by the phalanges, and a third layer 26 overlying the first and second layers providing the only support for the phalanges. The first layer is preferably manufactured from a foam with an Asker hardness of 40-50. The second layer is formed from a foam having an Asker hardness of 20-30 and the third layer from a foam with a hardness of 60-90. The first layer is preferably chamfered. The layers may be formed from polyurethane and rubber foam. The third layer may comprise a laminated foam. |
