ABOUT ESSENTIALThe ESSENTIAL is just that. Anytime, anywhere, the ESSENTIAL ensures that style is just as important as functionality. The ESSENTIAL's updated wayfarer styling is just right for today, and it's timeless shape has made this one of ZEAL's best sellers of all time. This super comfortable frame is priced so that you can own a pair in each of its style-setting colors. POLARIZED ELLUME BIO-PLASTIC LENS PROFLEX Z-RESIN BIO-PLASTIC FRAME CAMLOC HINGE Zeal Essential Sunglasses