The Giro Ratio™ MIPS® Helmet blends comfort, protection, and thoughtful design for every mountain adventure. Its In Form™ Fit System ensures a secure, adjustable fit, while Thermostat Control™ vents regulate airflow for optimal temperature. Compatible with Outdoor Tech audio systems and featuring MIPS® technology to redirect impact energy in certain collisions, the Ratio™ MIPS® offers modern performance, safety, and convenience in a sleek, versatile package.