SPECS: Design inspired by smooth turns and giant mountain landscapes Perfect for a wide variety of snow sports such as skiing and snowboarding Specifically designed for women Compatible with aftermarket Giro audio systems by Outdoor Tech Plush max padding for comfort Certification: CE EN1077 DESIGN & TECHNOLOGY: Includes MIPS(R) (Multi-Directional Impact Protection System) for protection in all angled impacts Integrated MIPS(R) reduces rotational forces while enhancing comfort and fit Hardshell with In-Mold Hardbody(TM) Lower Wrap combines a tough outer shell with a polycarbonate lower shell fused to the liner for durability without added weight In Form(TM) Fit System for a quick custom fit even with gloves on Ergo-friendly dial design provides up to 6 cm of adjustment for enhanced solidity Stack Vent(TM) Technology for fog-free vision and precision Thermostat Control(TM) Adjustable Venting for custom-tuning airflow by hitting control button outside of helmet Seamless compatibility with all Giro googles to ensure an exceptional fit and worry-free, dependable function SIZING: We recommend you try helmets on before buying. Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your child's forehead without hindering vision. Once you've got the right size, you can adjust the fit.