Abstract: An adjustable suspension for protective headgear wherein a constantly uniform tension on all securing members of the suspension can be simultaneously increased or decreased uniformly through a one-step tension control device without removing the headgear from the wearer's head. A chin-strapless embodiment which anchors against vertical displacement on the forehead and skull base. Detachable chin strap with concealed dual locking fastener. A headgear wherein the protective elements are supported by an adjustable, detachable suspension.