A Multi-Directional Impact Protection System (MIPS) makes this a model ski helmet, putting your safety above all else. However, through a sleek silhouette, it doesn't compromise on style, letting you fix a pair of sleek goggles to it so you can stay cool calm and collected on the slopes.MIPS - Multi-Directional Impact Protection System (optional)Hard shell constructionIn Form Fit SystemVertical tuningThermostat control Adjustable VentingStack VentilationCompatible with aftermarket Giro audio systems by Outdoor TechSeamless Compatibility with all Giro gogglesColour: Silver