The Tornado F5 series of safety glasses is a great looking eyewear. It combines extreme stylish look with comfort and fit. This series has a unique dual lens style in a single piece lens design. T57505 comes with curved temple arms and T5850 comes with straight temple arms. Lenses are protected through the unique 4A coating (except for mirror). T5750 and T5850 Tornado F5 series is ideal for general work applications where style, comfort, fit and high-impact are of importance.