Designed for the harshest desert conditions, Heron Desert side shield sunglasses provide superior protection against sunlight, wind, dust, and sand. Inspired by classic alpine design, Heron Desert feature leather side shields and a detachable centerpiece to block out sunlight and protect against glare, dust, and wind. The polarized lenses enhance colors, protect against glare, and sharpen your vision on reflective surfaces like desert sand, ensuring optimal sight. Anti-fog coating helps prevent condensation. The lenses are rated Cat. 3 and provide UV400 protection. For long days out in the desert you won't find better protection for your eyes.