Nippon Rubber Co., Ltd.

Junji Izumi

Masasuke Harada

Yoshiharu Moronaga

Hiroshi Kumagawa

A shoe for use in sports involving running and comprising an outer ground engaging sole, an inner foot engaging sole and a midsole therebetween, the midsole having therein, at least at the outer portion of the heel, a shock absorbing member comprising a shock absorbing synthetic resin foam layer bonded at its upper and lower surfaces to hard plates.

Shoe for sports involving running

An insole for use in athletic shoes comprises an upper layer, a lower layer laminated on the upper layer, and a shock-absorptive foamed material layer laminated on the underside of the lower layer at least at the heel portion. The upper layer has a hardness of 30.degree.-50.degree., and the lower layer has a hardness of 50.degree.-70.degree.. The shock-absorptive foamed material layer has a hardness of 50.degree.-80.degree..

Growing community of inventors

Ohmuta, Japan

Junji Izumi