Modern freeride styling teams up with advanced technical features to provide fit, comfort, and protection for long days chasing the perfect turn, exploring the mountain with family, or venturing into the backcountry. Warmth and comfort are driven by the Plush Max lining, Giro&';s In Form 2 fit system, and adjustable venting. And for the highest levels of protection, Tenaya is armed with Giro&';s proprietary Spherical Technology(TM), powered by MipsA(R), to reduce rotational energy during certain impacts through our unique two-part construction. In Form 2 Fit System - lighter and lower-profile than the original, and easier to dial in a custom fit in seconds Fidlock Magnetic Buckle System - strong magnets make it easy to open and close the helmet buckle, while a secure snap functionality ensures a continuous locking force Thermostat Control - allows you to custom-tune airflow instantly with a simple, low profile control button on the outside of the helmet Stack Vent Technology - aligning the Stack Vent in the helmet with the center vent of the goggle helps keep it clear and fog-free Hybrid Construction - merges a durable ventilated Hard Shell upper with an In-Mold Construction lower shell plus sidewalls for added protection and style. With Hybrid Construction the helmet is beefed up for added durability while remaining lightweight