Impact liner system with airflow channels

The liner system of any preceding claim, wherein the spacers have a thickness which is less than the thickness of the impact pads from which they extend.

The liner system of any preceding claim, wherein the spacers taper in a direction away from the outer face of the impact pads.

The liner system of any preceding claim, wherein the impact pads of at least two of the front, middle and rear arrays, and optionally each of the front, middle and rear arrays, comprise impact pads comprising spacers extending therefrom.

The liner system of any preceding claim, wherein the front, middle and/or rear array comprises at least three impact pads, and optionally at least five impact pads.

The liner system of any preceding claim wherein each impact pad is connected to at least one adjacent impact pad by a flexible material, preferably wherein the flexible material is a thermoplastic polyurethane.

The liner system of any preceding claim wherein the impact absorbing material is a foam material, preferably a polyurethane foam material or a nylon foam material.

The liner system of any preceding claim, wherein the one or more spacers are made of the same impact absorbing material as the impact pads from which they extend.

The liner system of any preceding claim, wherein the thicknesses of every impact pad and/or the thicknesses of the spacers extending therefrom are not the same across every impact pad in an array.

The liner system of any preceding claim, wherein the deformable impact absorbing material which forms each impact pad and/or the material which forms the spacers extending therefrom are not the same across every impact pad in an array.

The liner system of any preceding claim, wherein fasteners are disposed on some or all of the spacers, preferably wherein the fasteners are hook and loop fasteners.

The liner system of any preceding claim, wherein one or more of the impact pads comprise one or more slits and/or notches within the deformable impact absorbing material, for example slits and/or notches extending from outer faces of the impact pads.

The liner system of any preceding claim wherein one or more of the impact pads comprises a further cushioning layer, optionally disposed on the inner face of the impact pad, and preferably wherein the further cushioning pad is made of a foam material.

The liner system of any preceding claim, wherein the system further comprises one or more shim pads, configured for removable attachment to the spacers such that the one or more shim pads may form an additional layer between the spacers and the inside of the helmet shell, and preferably wherein the shim pads comprise hook and loop fasteners for removable attachment to the spacers and the inside of the helmet shell.