Choplin Plume Matte Black Riding Helmet 1Smooth matte ABS outer shell, highly impact resistant even in extreme temperatures. High density EPS (expanded polystyrene) shell very lightweight with excellent shock absorbing properties. Ventilation zones at the front, rear, and center, combined with the removable and washable polyester interior lining, provide enhanced moisture wicking and optimal airflow inside the helmet. The machine washable padding (30C) is secured with hook and loop