Diverse, courageous and slightly advanced, Zulu looks great with a wide selection of dress while offering excellent protection. As with all Gargoyles Protection+ sunglasses, side coverage is slightly less than ANSIZ87.1+ styles, which maximizes versatility for a wide variety of events. From a day on the beach with its 100% UV Protection to hiking the toughest terrain with it’s durable aluminum-magnesium frame fit for the outdoors. All Gargoyles lenses are ballistic-rated to meet or exceed ANSI Z87.1+ impact and optical standards and feature anti-reflective and oleo-phobic treatments to repel water, resist smudging, and make cleaning easier. Alm/Magnesium frame material.