HJC CL-Y Waz? MC-10 full-face helmet with smaller sizing for ladies and kids. This HJC Full Face motorcycle helmet has an advanced polycarbonate composite shell: Lightweight, superior fit and comfort using advanced CAD technology. Micro Buckle with Retention Strap: Quick-release and adjustable. QuickSlide Shield Replacement System. Integrated Ventilation System provides cooling airflow. Glasses groove can accommodate riders with glasses.