Shoei X-12 / X-Twelve B-Boz Bostrom Helmet Since its introduction in 2003, the X-Eleven has been the motorcycle-racing helmet that all others are judged by. For this year's model, Shoei engineers were faced with the grueling task of improving on what is already considered to be the best-performing racing helmet ever conceived. Born from racing, the all-new Shoei X-Twelve B-Boz Bostrom Helmet combines Shoeis 50 years of helmet building experience with the very latest technology and most advanced materials to bring you the racing helmet of the future. Throughout its history, Shoei has relied on feedback from professional racers around the globe to continually improve its products, and everything learned along the way has now culminated in the finest motorcycle racing helmet ever developed-the all-new X-12! Features Shoei Ben Bostrom Replica Graphic Helmet Q.R.S.A. (Quick Release Self-Adjusting) Base Plate System CW-1 Shield AIM+ Shell Construction (Snell M2010-Approved) 5 Shell Sizes Aero Edge 2 Spoiler Ventilation System Dual-Layer EPS Liner 3D Max Dry Interior System E.Q.R.S. (Emergency Quick Release System) Chin Curtain Breath Guard 5-Year Warranty Note Due to manufacturer restrictions, Shoei products can only be shipped to addresses within the United States