US Patent 11832675 Insert for a hat

A bump cap foam insert for a hat that uses tab and slot structures to form the insert in to a generally conical shape to fit into a hat. The foam insert is constructed by the use of vented radial extensions that extend from a common center and that have a density of about 4 pounds per cubic foot, a thickness of about 0.16″ and a tensile strength of about 90 psi.