Aer-Tec Thermoregulation System with Nest Tech + I.Q.SHION DRI Innovative AER-TEC VENTILATION SYSTEM powered by NEST TECH and channels allow max airflow and keep your head cool and comfortable. New and improved I.Q.SHION DRI will not retain extra sweat at the forehead. Nest Tech + D30 + Multi-Density Foam Elite-level protection from combination of 3D printed NEST TECH in key areas plus rate sensitive D3O Smart Material and quality foams to help distribute impact energy. Optimized Aesthetics and Reinforced Side Impact Frame A pro-approved look with structure stiffness on the sides for added protection