Features Shell ECE 22.05 GR 1250 ± 50 HPTT (High Pressure Thermoplastic Technology) 3 Shells Long, Oval Visor Quick Release System Scratch Resistant UV Resistant Anti Fog System Comfort Removable & Washable Breathable Hypoallergenic Laser-Cut Foam Breath Deflector Security Quick Release Strap Reinforced Chin Strap Multi-Density EPS Neck Roll Ventilation Channeled Ports Chin Vent Top Vent Exhaust Port HPTT The helmet is molded in HPTT, a mix of ABS giving a total safe structure with a very light weight. Quick Release Strap The metal buckle attaches to a high quality safety strap. On the other strap is a ribbed plastic tab. Insert the ribbed plastic tab into the metal buckle. You ll hear a light "clicking" sound. Continue to slide it until you get a comfortable, snug fit. Pull the ribbon on the lever to release. For additional initial adjustment, use the metal slider buckle on the strap with the ribbed plastic tab to take up excess strap. Note Please be aware, as long as nothing else is written in the item description: All helmets will be delivered only with the ECE certification by default all helmets that have a visor will be delivered with a clear visor, even if it is shown differently.