Thermoset materials in the form of glass fiber mats, Woven by hand in the lamination process to make helmet shells. Finally, these are baked hot pressed in order to give the product its high-strength final structure. Due to the complex processing Thermoset helmets are more expensive than models made of thermoplastic materials. They are very light, very impact-resistant and very durable. Features Quick release system Weight approx 900g ECE 22-05 approved Material: Dyneema-Carbon-Aramid-Fiber Lining: high quality, removable and washable 3 composite helmet: Dyneema Carbon-Aramid Fiber Extended 5-year warranty To benefit from the extended 5-year warranty, you must register your newly purchased helmet with Premier within 30 days. Please refer to the Premier warranty policy. After the regular 2-year warranty has expired, you must contact Premier directly. Register here 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.