100% original Ray-Ban glasses, with a classic oval rimless design, very distinctive for a formal and casual look. Glasses specifications: Model: Ray-Ban RB3767. Frame color: Elegant silver. Lens color and type: Purple with smart (Photochromic) technology; tinted lenses that automatically darken when exposed to sunlight to provide complete protection. Lens Features: Anti-Reflective Type: Sunglasses Frame Material: Titanium Lens Material: Polycarbonate Brand: Ray-Ban