HJC RPHA 10 Jorge Lorenzo Replica Helmet Designed for superior fit comfort using advanced CAD technology, the new HJC RPHA10 helmet is constructed from Advanced P.I.M. (Premium Integrated Matrix) a composite of Carbon fiber, Fiberglass epoxy, Aramid epoxy, Organic fibers resulting in a remarkably strong extremely lightweight helmet. Features ACS Advanced Channeling Ventilation system Full front to back airflow flushes heat and humidity up out Max Air-flow top vent Variable air flow is adjusted by glove-friendly dials on each intake vent New, easier to operate chin vent RapidFire II shield replacement system Simple and secure shield ratchet system provides ultra-quick, tool-less removal installation Optically-superior Pinlock prepared 2D flat-racing shield with included clear Pinlock insert 2-Stage shield closure system with one-touch center locking system makes for an extremely tight and secure seal SilverCoolPlus interior Removable / Washable interior. Premium soft interior with Ginkgo Extract, moisture-wicking odor free with advanced silver anti-bacterial fabric 3 shell sizes 5 year limited Warranty Meets or exceeds SNELL D.O.T. standards