Here's what other sites are saying:
The ability to change is a hallmark of survival on this planet (think about what happened to the dinosaurs). The Ryders Eyewear Caliber Photochromic Sunglasses rapidly change to fit the ambient light level so you can see clearly whether you are riding into the sun, dropping into the trees, or rolling on pavement after dark.
Tough enough for all of your adventures, the Ryders Caliber Sunglasses provide high-performance features for athletes and sunglass abusers alike. Featuring TR90 frame material, these lightweight sunglasses are impact resistant, durable, and designed for a flexible fit and extreme comfort. Ryder's shatterproof, optically-correct lenses provide 100% UVA, UVB, and UVC protection for the best view of the world. Ryders Caliber Sunglasses are the perfect combination of performance frames and lenses. Anything else would be a letdown.
- Altrec Outdoors