Mallcom Orbit - Clear Polycarbonate Single Lens GlassesSpectacles having clear polycarbonate glasses with adjustable and tilting nylon arms. Design: Clean polycarbonate glasses imparts a fashionable look. Ergonomically designed. Elastic strap designed to make model more comfortable. Key Features: UV protective lenses cut down the chances of harm from sunlight. Integrated polycarbonate nose piece makes the ease of use with safety helmets. Flexible PVC Frame increases comfortness. Glasses having scratch