The combination of hard and soft material components in the uvex ultrasonic model combines excellent mechanical strength with the best wearing properties - no indentation problems during long-lasting wear. Flexible soft components are individually contoured to the face and provide complete protection for the sides of the eye, even when wearing glasses. The excellent ventilation of uvex ultrasonic ensures a pleasant and irritation-free eye climate. A sporty design, a wide panoramic field of view and easily interchangeable lenses complete the benefits of these top-quality glasses. In the welding-glasses version, the glasses have a folding lens.