The Giro Fade MIPS Helmet is lightweight and comfortable thanks to a host of features including the In Form Fit System and Thermostat Control adjustable venting. You ll appreciate the details, from the ear pads (which are compatible with aftermarket Giro audio systems by Outdoor Tech) to Seamless Compatibility with all Giro goggles. Fade MIPS is also equipped with the Multi-directional Impact Protection System which can provide more protection in certain impacts. MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet. MIPS sets a new standard in helmet safety. Developed by brain surgeons and scientists to reduce rotational forces on the brain caused by angled impacts to the head. Features: MIPS - Multi-directional Impact Protection System, In-Mold Construction In Form Fit System Vertical Tuning Thermostat Control Adjustable Venting Super Cool Vents Stack Ventilation Women s Design ear pad Detailing Certification Compliance: CE EN1077