Fiberglass shell with Styrofoam lining for maximum shock absorption. Microvelour (suede) and mesh central section. Low profile with a large polo visor for better protection against sunlight. Optimal ventilation through 10 air vents and performance thanks to the "Free Fit" system, which increases airflow from the forehead to the neck. Antibacterial lining. Adjustable GRpx® strap with double tension at the base of the skull for an optimal fit. Sizes: 54 - 61 cm. Colors: Black, Navy.