Safety headgear

Headgear for protecting a wearer's skull including a generally bellshaped shell of non-uniform thickness for enclosing at least an upper part of the wearer's skull, the shell having an upper crown portion having a central crown area and a surrounding outer crown area, the shell further having a depending circumferential wall which has an upper wall area adjacent to the outer crown area and a lower wall area, said lower wall area having a wall thickness generally greater than the wall thickness of said upper wall area and said central crown area having a wall thickness generally greater than the wall thickness of said outer crown area, and a support system attached to the lower wall area of the shell,

• wherein in normal use the support system rests on the wearer's skull and maintains an inside surface of the shell at least a predetermined distance from the wearer's skull.

Headgear for protecting a wearer's skull including:

• a generally bell shaped shell of non-uniform thickness for enclosing at least an upper part of the wearer's skull, the shell having an upper crown portion with a depending circumferential wall area which has an upper wall area adjacent to the upper crown portion and a lower wall area, said crown portion having a wall thickness generally greater than a zone of said shell between said upper crown portion and said upper wall area, said lower wall area having a wall thickness generally greater than a wall thickness of said upper wall area, and
• a support system attached to the lower wall area of the shell, wherein in normal use the support system rests on the wearer's skull and maintains an inside surface of the shell at least a predetermined distance from the wearer's skull.

A hat having an outer covering of a flexible sheet material, a generally bell shaped shell of non-uniform thickness moulded from a high impact resistant material, the shell having an upper crown portion with a depending circumferential wall area adjacent to the upper crown portion, the upper crown portion having a wall thickness generally greater than a zone of the shell between the upper crown portion and the depending circumferential wall area, the shell being configured to fit within said outer covering, and a support system attached to a lower wall area of the shell, wherein in normal use, the system rests on the wearer's skull and maintains an inside surface of the shell at least a predetermined distance from the wearer's skull.