Alpinestars Supertech SM10 Era Helmet - Blue / Red / Fluro Yellow GlossyAlpinestars Supertech SM10 Era Helmet The goal of the Alpinestars Supertech family of helmets was to create the most advanced, protective, and performance enhancing helmets possible for riders worldwide. With the S M10, Alpinestars Helmet Development team engineered the helmet to offer the perfect blend of excellent ventilation, and unsurpassed comfort, to create a helmet with the lightest weight possible, all without compromising on any other front.