A distinctive skeletal design uses skull-inspired elements as structural connection points for a sculptural look. The lightweight, durable lenses offer UV400 protection and photochromic functionality, automatically darkening in sunlight.Color: Clear PhotochromicSize: 56-20-145 mm (2.20-0.79-5.71 in)Lens Width – Bridge Width – Temple LengthMaterial: Frame: Acetate, 304 Stainless Steel, Copper; Lenses: NylonCollection: Serpent SymbiosisIncludes: One sunglasses case, one sunglasses pouch, and one lens cloth