Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
Structure of front foot portion of shoe sole
There is provided a structure of a shoe sole that suppresses excessive bending by reinforcing the front foot portion of a sole having a reduced weight. The shoe sole may include a mid sole for absorbing an impact of landing, an outer sole placed under the mid sole and in contact with the ground, and a reinforcement element for suppressing bending of a front foot portion during push-off. The reinforcement element includes a medial reinforcement portion extending in a front-rear direction along a medial side of the front foot portion; a lateral reinforcement portion extending in the front-rear direction along a lateral side of the front foot portion; a connection and reinforcement portion for connecting the medial and lateral reinforcement portions and for providing reinforcement; and a connection portion for connecting the medial reinforcement portion and the lateral reinforcement portion in an area posterior to the connection and reinforcement portion.
ASICS CORPORATION
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Kiyomitsu Tsuyoshi
Kurosaki Nishiwaki