A method for geometrically forming a portion of a headgear to conform to a selected portion of an intended user's head. The method includes determining a triangular region on the portion of the headgear that generally coincides with the selected portion of the intended user's head. The triangular region being defined by a first side, a second side and a third side. The method further includes forming a curved and cupped region in the portion of the headgear by bringing together and coupling the second and third sides of the triangular region.
