HELMET

A helmet, comprising:an outer shell;a head mount, configured to conform to the head of a wearer; anda plurality of connectors, each provided between the outer shell and the head mount and each connected to the outer shell and head mount;wherein the connectors are configured to suspend the head mount within the outer shell such that, in use, an air gap is provided between head mount and the outer shell;wherein the connectors each have a first connection point connected to the outer shell and a second connection point connected to the head mount; andat least one connector is configured such that, under tensile loading between the first and the second connection points, the connector extends with a first modulus of elasticity up to a threshold extension and extends with a second modulus of elasticity beyond the threshold extension.