A sport helmet for protecting a head of a wearer, such as a hockey, lacrosse or football player. The sport helmet has an outer shell with an internal side and an external side and an inner pad mounted to the internal side of the outer shell for absorbing shocks when the sport helmet is impacted. The inner pad has a core of polymeric cellular material with a body of expanded polymeric microspheres and a molded covering being molded onto the core of polymeric cellular material.