About these frames - Vuarnet has been designing the best mineral sunglasses since 1957. Px2000: Category 3 Brown base, anti-reflective interior coating. Subtle enhancement of color & contrast. Ideal for everyday use & driving. Vuarnet Versatile Multi-Use Lens. Average light transmission 18%, filtration 82%. Lens Color: Brown Frames Material: Acetate + Rubber Frame Color(s): Tortoise Gender: Unisex Condition: Excellent, Unworn Hand made in France Prescription lens eligible Designer case included when available. Vuarnet Vl1501 Sunglasses