Revo Sunglasses - Belay / Frame: Recycled Polished Black Lens: Polarized Graphite Glass - Revo Sunglasses, style Belay is an innovative and durable 100% recycled Nylon frame designed with patented technology. The patented Motion Fit design eliminates unwanted pressure points on your nose and ears and provides a comfortable fit. The Belay features the Revo Sunglasses logo on the temples. Revo Sunglasses have unique lightweight scratch and impact-resistant polarized lenses that always ensure 100% PROTECTION from harmful UVA/UVB rays. Additionally, the lenses are treated with a patented hydrophobic coating which repels water and all oil-based substances.