HJC RHPA-Max Align Modular Motorcycle Helmet (MC-10, Large) Advanced P.I.M. (premium integrated matrix) a composite of Carbon fiber, Fiberglass epoxy, Aramid epoxy, and Organic fibers resulting in a remarkably strong shell and extremely lightweight Single-Button One Handed Chin Bar/Face Shield Release HJC's lightest modular helmet ever designed; Size Small weighs in at 1565 grams ( +/- 45g); Designed for superior fit and comfort using advanced CAD technology One-touch Integrated Sunshield: Three position adjustable Smoke Tinted Sunshield; Optional tinted Sunshields available (HJ-V7) Extremely quiet helmet at even high speeds