Alpinestars Supertech M10 Squad Mips Dark Brown/Gold Helmets Features: Trackside assistance and medical personnel may more easily remove the S-M10's side cheek padding while the rider's helmet is still on their head thanks to this effective and secure extraction method. System of Emergency Release (ERS) Additionally, the Supertech M10 is made to enable the installation of a helmet "Eject" inflating mechanism inside the shell's interior crown. In addition to eliminating the ERS cushioning, "Eject" enables the helmet to be removed in an emergency without straining the rider's back. Chin-strap: Made with woven poly yarn for a smooth "hand" sensation and wider than the certification minimum of 26 mm for comfort, it fastens firmly with a double D-ring.