Narrow, simply put, good. The modern full-frame of the Defey glasses is particularly well suited for slim faces. Nevertheless, it can be used for many things: Walking, cycling, water sports, eating ice cream, the Defey is there. Soft temple ends and nose pads guarantee a pleasant wearing comfort and a firm fit for all activities. The mirrored lenses of the glasses reflect infra-red rays, provide 100% UV protection and, depending on the type of lens, offer a tint of cat. 1 to cat. 3. One thing’s for sure: the eyes. Key Features: 100% UV protection,The reflective surface reflects infrared rays,The ceramic material lenses are break-proof and offer 100% protection,Clear, undistorted vision thanks to decentred lenses,Improved vision and protection from draughts thanks to strongly domed lenses and a targeted airflow management that prevents lenses from fogging up.