What Our Gearhead(R) Experts Are Saying: "If you ride with glasses, this is one of the easiest options out there. It fits comfortably over frames without pressure, and the visibility stays clear even on longer days."The Index 2. 0 Goggle from Giro is built for riders who wear prescription eyewear and don't want to compromise on comfort or clarity. Whether you're navigating flat light or chasing sun breaks, it delivers a clear, consistent view of the mountain ahead. The OTG-friendly design provides extra interior volume and dedicated temple cutouts, allowing goggles and glasses to work together without pressure points. Increased internal air volume helps maintain airflow to reduce fogging, while VIVID lens technology with optics by ZEISS enhances contrast and definition for better terrain visibility.