The Stinger is a highly functional sports model, perfect for golf and other activities with high visual demands. Lightweight and comfortable to wear all day, with the perfect blend of performance and comfort. The glasses are made with Powereye high contrast and HD lens. They feature an anti-scratch coating as well as a high tech mirror coating for optimal performance, and a super oleophobic coating that repels oil, grease, sweat, and water. They have a 6 base lens and a 2 piece lens for a more curved fit, gives you more protection from side above and under.