Suomy Vandal 155 Helmet (Multi-Colored, X-Small) Internal polystyrene protective liner; the special shape and construction featuring differentiated density increases the mechanical resistance in the event of accidental shocks The face shield is pressed and cut from a flat sheet and then thermoformed; each face shield is a one-of-a-kind piece with unequalled optical features and mechanical resistance The D-ring retention system is, designed and patented by Suomy; this reliable and tested double D-ring system ensures stability, safety and resistance Helmet standard: BSI and DOT approved