The mirrored fire iridium base lens comes with an additional clear spare lens! The brand-new O-Frame 2.0 MTB from OAKLEY excels not only in terms of performance and impact resistance but also offers an incredible riding experience. The goggles are designed to be fog-free and prevent heat buildup. Featuring the exclusive Factory Lite Vent mesh structure, it ensures enhanced airflow and better ventilation at lower speeds, while also preventing mud, dirt, and stones from entering the goggles. With its subtle notch for the temples, the goggles are compatible with most prescription glasses, and it offers exceptionally clear lenses. PRIZMT Lenses: Built on decades of color science research, PrizmT is a revolution in lens optics. Prizm T-lenses provide unprecedented control over light transmission, allowing colors to be finely tuned to maximize contrast and enhance visibility.