To reduce incycloduction moment around the heel when the heel comes into contact with the ground, to improve straightforward movement during walking or running, and to attain a smooth weight shift.
The sole structure of shoe is provided with: an upper midsole 2 arranged on the upper side; a lower midsole 3 arranged on the lower side; and a rugged sheet 4 inserted between the upper and lower midsoles 2, 3. The upper face 3a of the lower midsole 3 has a plurality of raised parts 30 that are arranged with spaces apart along the outer periphery of the heel part. The height of the raised parts 30 is gradually lowered toward the inside of the heel part, with the ridgeline Cr of the raised parts 30 arranged in the direction rotating around the center region Hc of the heel part, in the same incycloduction direction X with the heel in contact with the ground. The lower face 2a of the upper midsole 2 has a complementary shape to the raised parts 30 of the lower midsole 3, having a plurality of recessed parts 20 that are engaged with the raised parts 30.
| JPH04138302 | [Title of the device] Shoes |
FURUKAWA DAISUKE
SAKAI RYUTA
KAMIMUKAI CHIKAKO
