is accordingly selected such that the two members 64 66 may be connected alternate types of fastening systems which may be used between each connecting arm 42 and the helmet body 11 whether provided on the padding layer 30 or elsewhere on the helmet body 11 include but are not limited to a fastening system also providing the movable sliding connection between the connecting arm 42 and helmet body 11 such as a screw nut engagement which may be slidingly received in a slot defined through the connecting arm 42 and or the helmet body 11 and selectively tightened to prevent sliding a screw cam engagement or a teeth slot engagement or other fastening systems distinct from the movable sliding connection between the connecting arm 42 and helmet body 11 such as complementary fabric fastening members having a different configuration that hook and loops e g mushroom shaped a snap engagements with a plurality of studs in the connecting arm 42 and or the helmet body to define multiple engagement positions or a pin hole engagement with a plurality of pins and or holes defined in the connecting arm 42 and or the helmet body to define multiple engagement positions similar to the fastening system at the rear of a baseball cap in a particular.