Prada Linea Rossa PS 51SV Glasses pair sporty, aerodynamic lines with a lightweight metal semi-rim frame. Designed for everyday wear and compatible with prescription lenses. Key attributes: Gray | Metal | Lightweight construction | Durable metal frame | Compatible with prescription lenses | Demo lenses (replaceable) | Pillow-shaped frame | Semi-rim/half-rim design | Aerodynamic lines | Dimensions & fit: Lens width: 54 mm | Lens width: 56 mm | Bridge: 18 mm | Temple: 145 mm | Frame width: 137 mm | Lens height: 36 mm | Lens height: 37 mm | Available in sizes 54 and 56 | Standard fit | Composition & care: Metal | Wipe clean with a soft cloth. Store in the protective case when not in use. Have lenses fitted or replaced by a qualified optician.