crit fototec is equipped with a photochromic clarion red lens, a tint that goes from nearly clear to a red mirror with a smoke tint–providing the perfect light day or night. Crit is a sunglass designed for endurance sports. It offers an aerodynamic design and engineered lens ventilation, which make it perfect for long rides on a bike or runs on the track. The adjustable arm and nose pieces are made so that you can customize them to securely fit your face shape.