MT Thunder 4 SV. The most accessible helmet on the market, with the highest safety certification. Features: shell. 2 shell sizes 1500 ± 50 gr. - XS - S - M - L - XL - 2XL - 3XL. HIRP shell (high impact resistance polymer). ECE 22.06 / DOT. Visibility. Solar screen included MT-ESP. Quick visor removal system MT-QVSS. Anti-scratch optical polycarbonate screen. Prepared for pinliock DKS 435 (not included). pivoting screen mechanism. nose deflector included. Scope MT-V-28. Security. MT-MDHC double prong micrometric closure buckle. Internal multiple density polystyrene. Inside. Specific padding for each size. Removable and washable interior. Anti-allergenic fabrics. Internal flow of ventilation MT-AFCS that reduces temperature and humidity.