Zan Headgear Cavern Sunglass . The cavern's lens color is sonic gray which seems to somehow both complement and undercut the sharp lines in the Cavern's frame. The Cavern's frame is made of durable polycarbonate and the lenses provide 100percent UV and shatter resistance. The Cavern will keep your eyes comfortable and perfectly protected from all UV rays. Also the unique design of the Cavern allows for extra side protection from side glare. So if you are looking for style and utility this is the pair of sunglasses for you Specifications for Zan Headgear Cavern Sunglass: Manufacturer: Zan Headgear Application: Outdoor Size: One Size Age Group: Adults Gender: Unisex Package Contents: Zan Headgear Cavern Sunglass