Dragon Cinch Polarized Sunglasses have the same great taste as standard Cinch shades, but with the added, and very worthwhile benefit of polarized lenses that offer the utmost in vision clarity on even the brightest, most intense UV days. Other features on Dragon Cinch Polarized Sunglasses include: 8 base curve lenses, grilamid frame, durable 5 barrel stainless steel hinges.