ITEM TITLE : SA-1 Fluo Neon Full Face Helmet With Clear Visor L Size 600mm , SUITABLE FOR : 1. World first helmet with NACA Duct air flow technology, this air flow system is also used in aircraft's and super cars. , 2.The double NACA inlets above the shield allow the entry of the large volume of air inside the helmet to refresh and dehumidify the interior. , 3. The NACA inlets on the back of the helmet allow quick extraction of the stale air. MATERIAL : NA , PART NUMBER : NA , Size L Size ,