Rpha Jet Open Faced Helmet Premium Integrated Matrix (PIM) construction, which incorporates three different materials - carbon fibre, Aramid and fibreglass - to create a unique woven blend that produces a shell both remarkably strong and noticeably lighter. Extremely light and comfortable jet helmet. «ACS» Advanced Channelling Ventilation System: Full front to back airflow flushes heat and humidity up and out. COOL4EVER™ interior: Lightweight, moisture wicking, odour free and anti bacterial, premium soft feel with Ginkgo extract. Innovative new fabric offers self cooling properties. It cools down faster than other fabrics. Extremely important for long hot rides. Shield with Anti-fog coating. Includes Dark Smoke Shield.