HJC Helmets IS-MAX BT Helmet (Black, Small) Ready for Bluetooth communication Advanced polycarbonate composite shell with adjustable polycarbonate chin bar; lightweight, superior fit and comfort using advanced CAD technology One-touch integrated sunshield; smoke-tinted 3-stage adjustable sunshield deploys quickly and easily (U.S. patent number 7,540,033) Single-button chin bar/face shield release; open with one hand even with gloves on Optically superior face shield; 95 percent UV protection