The HJC RPHA 10 Plus is constructed from a Premium Integrated Matrix (PIM), which incorporates three different materials; carbon fibre, aramid fibres and fibreglass to create a unique woven blend that produces a shell both remarkably strong and noticeably lighter (1250g +/- 50g). The Max Air-flow top vent allows a variable air flow and can easily be adjusted even whilst wearing gloves. The RapidFire shield replacement system makes removing / replacing extremely quick and easy without the need to use tools. This also features a superior automatic shield locking system, Pinlock Wide ready visor, Double D retention system, fully removable and washable interior, glasses groove to accommodate glasses reducing temple pressure and is supplied with clear and light smoke visor.