Equipped with the Multi-Directional Impact Protection System the Giro Ratio Mips Helmet 2018/19 offers extra protection from certain types of impact on the slopes. The Mips helmet keeps you comfortable run after run with an In Form Fit System and Thermostat Control adjustable ventilation. You can add aftermarket audio system from Outdoor Tech and ski to your own soundtrack. In a helmet with Mips Technology the shell and the liner are separated by a low friction layer. When a helmet with the Mips system is subjected to impact the low friction layer allows the helmet to slide relative to the head. This revolutionary system has been shown to absorb and redirect energy upon impact.