MT ATOM SV solid modular helmet the polycarbonate model with two shell sizes. Excellent helmet for long distance riders. Vents and spoiler for great ventilation in any helmet position on the motorbike. visor with lock system mechanism. anti-scratch visor with fast removing system. Includes pinlock original system to ensure maximum fitting. inner lining anatomical for a better commodity and comfort and washable. features: - aerodynamic design - vents device - micrometric buckle color: White size: M, L