High Impact ABS Material Shell.Multi-layer EPS (Thermocol) High Density and low density For more Safety with Air Channels.Micro-Metric Buckle meeting European Standards.Innovative ventilation system is also equipped with an air intake in the chin guard, an air intake in the frontal & Top area and two rear extractors recycling air inside the helmet. Interior With Multipore Breathable Pedding Neck Protector For Extra Comfort Extra Comfort Padding Poly carbonate Anti-Scratch Coated Visor Quick Release Visor mechanism Kit.