Running shoe sole construction

Details Running shoe sole construction Running shoe sole construction

A - Human Necessities

43

B

36/6

A43B 5/00 (2006.01) A43B 5/06 (2006.01) A43B 13/12 (2006.01)

Patent

CA 1206749

An otherwise conventionally constructed running shoe sole is provided with a rounded border having a radius of curvature of about 20 mm only along approximately the rear 50% of the length of the outer side of the midsole and heel edge layers, the remaining border area being provided with a conventional flaring or the like with the exception of a transition zone. In accordance with a modified embodiment, a convexly curved shock-absorber bar is incorporated into the sole and is outwardly covered by a layer of softer material which is provided with the outer curvature, and which increases the cushioning capacity of the sole during initial heel strike.

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