Hard plate of each of spike shoes for field and track events

摘要

A shoe part for running shoes for field and track events wherein each shoe has a sole, a hard plate for a forefoot portion of the shoe sole, including a plurality of columnar projections and a plurality of shorter projecting portions terminating short of the columnar projections on a surface side of the hard plate. The hard plate includes an elastic region projecting from adjacent surrounding surfaces of the hard plate and lying in a central region of the surface side of the hard plate at which maximum compressive load is applied during running.