Abstract: The present invention relates to an impact liner system for a helmet shell, configured to be installed in the interior of a helmet shell (307) and arranged to protect the head of a wearer, the impact liner system comprising a front array of impact pads, a middle array of impact pads, and a rear array of impact pads, each of the front, middle and rear arrays comprising at least two impact pads, each impact pad (301) comprising a deformable impact absorbing material, wherein each pad (301) comprises an inner and an outer face, the inner face in use extending towards the head of a wearer and the outer face towards the helmet shell, and further wherein the at least two impact pads of at least one of the front, middle and rear arrays comprise spacers (309) extending from the outer face, which when installed in the helmet space the impact pads (301) from the helmet such that self-supporting circumferential airflow channels are defined by the area between the spacers (309) of the impact pads (301) and the inside of

Abstract: The present invention relates to an array of impact pads for a helmet shell and an impact liner system for a helmet shell, comprising the array of impact pads, in addition to uses of the same for holding an object against a user's head, without loss of impact protection. The invention further provides a helmet comprising an array of impact pads of the present invention or an impact liner system of the present invention, as well as a system comprising a such a helmet and a communications device.