Constructed with LS2 s proprietary KPA shell, a unique blend of polycarbonate, thermoplastic and additional materials specially formulated by LS2. Fantastically light, durable, shock-absorbing, aerodynamic and stable - even in the wind! The visor is made of "A-Class" 3D polycarbonate - with high impact resistance, no distortion and maximum clarity. LS2 helmets feature dynamic ventilation and fully adjustable air intakes! The ventilated EPS provides with rear spoilers and outlets a constant, light airflow that keeps you cool and comfortable.