Features Shell ECE 22.05 Gr 1150 ± 50 HPTT 2 Shells Oval Visor Twin Shield System Quick Release System Scratch Resistant UV Resistant Fog Resistant Comfort Removable and Washable Breathable Hypoallergenic Laser-Cut Foam Security Steel Quick Release Buckle Reinforced Chin Strap Multi-Density EPS Ventilation Channeled Ports Top Vents Exhaust Port HPTT Is an exclusive process developed by LS2 researchers and named HPTT (High Pressure Thermoplastic Technology) a mix of polycarbonate is injected into moulds. The moulds used in this high precision industrial process are sculpted from blocks of metal weighing several amount of kilos. Twin Shield System LS2 s drop-down sun shield helps protect the rider s eyes from bright sun, and moves up and out of the way quickly and easily when entering dark tunnels, offering a more comfortable riding experience.Note Please note that as long as nothing else is written in the article description, all helmets that have a visor as standard will be delivered with a clear one, even if it is shown differently.