Ray-Ban RX6494 Eyeglasses feature a metal, pillow-shaped frame with clear demo lenses and are designed to accept prescription lenses for everyday wear. Key attributes: Brown | Metal | Prescription-ready | Demo lenses included | Pillow-shaped front | Matte finish | Metal temples | Dimensions & fit: Lens width: 54 mm, 56 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 41 mm, 42 mm | Available in 54 mm and 56 mm sizes | Recommended for heart, round and oval face shapes