| 摘要 |
<p>An insole, for a rock climbing shoe, formed of a single piece of synthetic plastic material to follow the anatomical shape of the wearer's foot, including a first portion of constant thickness in the longitudinal direction from the heel for a predetermined distance, and a second portion extending in prolongation of the first portion and being of linearly decreasing thickness down to a minimum value at the toe of the insole, so that the insole displays a differential flexibility in the longitudinal direction, with a maximum of flexibility near the toe.</p> |
