The Smith Altus MIPS Helmet 2024 offers the latest in advanced protection and comfort. The XT2 Antimicrobial lining helps keep your helmet fresh from sweat, while the AirEvac Ventilation System ensures constant cool airflow for fog-free goggles. The MIPS system provides additional protection from rotational forces, and the Zonal Koroyd construction adds superior shock absorption and ventilation. All of these features work together to offer you superior safety and lasting comfort. Smith Altus MIPS Helmet 2024