Fireman's helmet with energy absorbing liner

A fireman's helmet having an impact attenuation suspension comprising polymeric helmet shell, a non-resilient foam polymer liner in the form of a ring having an exterior conforming to the interior of the shell, a cradle of straps of webbing for engagement with the wearer's head under conditions of impact, said cradle comprising a plurality of straps arranged radially from a central apex outwardly and downwardly to the lower rim of the foam liner, about the rim and upwardly on the exterior of the foam liner, thence about a resilient member inset in a groove which encircles the exterior of the foam liner, thence downwardly and about the lower rim and toward the apex to a drawstring for adjustment of the cradle size, the lower rim of the foam liner being encased in a ring of channel cross-section formed of a relatively rigid polymer, and a headband secured to the foam liner for supporting the helmet on the wearer's head.