Frameless Design Shatter Resistant Polycarbonate Lenses 100% UV Protection The Shield II sunglasses offer a frameless construction with the impact resistant polycarbonate lenses. Lined with closed cell foam to minimize wind disruption, this eyewear is available in several different color combinations.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }