This ASTM Pro Skull II Plus Charles Owen Black helmet is a helmet for cross-country and racing. Fiberglass shell lined with expanded polystyrene for maximum shock absorption. Front of the Charles Owen helmet without visor, for maximum visibility. Removable antibacterial lining. 10 ventilation holes distributed across the central part. GRpx adjustable harness which operates a double tension at the base of the skull for optimal support. Comes with a black Lycra hat.