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(11) | EP 0 919 150 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Sole for shoes |
(57) A sole unit for shoes includes a tread (3) rigidly associated with a mid-sole (5)
which is made of a vapor-permeable material, while the tread is made of an anti-skid
material, such as rubber. The tread has a centrally located opening (7) and is associated
with the mid-sole so as to leave at least one region (9) of the mid-sole portion exposed. |