Scandinavian minimalism inspired by the 70's, our frames called Andrea are created with both quality and style that last. We designed these frames for the modern and stylish woman who wants glasses that can be used for all occasions. All of GLAS glasses have a CR39 lens, which is one of the best on the market and is characterised by its thin, durable construction and high optical performance. THE LENSES 100% UVA and UVB PROTECTION ANTI-FATIQUE ANTI-SCRATCH ANTI-DIRT ANTI-FOG ANTI-REFLECTIVE LIGHTWEIGHT Width 140 mm Height 52 mm Lens Width 53 mm Lens Height 46 mm Bridge Width 17 mm Temple Length 145 mm **Is this frame the right size for me?** Try on any pair of glasses or sunglasses that already fit you well to see if this frame will suit you. 1. Measure the actual lens width and bridge width on your glasses using a ruler. The lens width should be around 40-60 mm and the bridge width should be around 12-24 mm. 2. Multiply the lens width by 2, and add this