Sundog manufacture high-quality sunglasses at a terrific price, sunglasses that are ideal for any outdoor sport where clarity and enhanced vision is required. These Sundog Razor sunglasses provide amazing value for money. World-class optics that enhance undulations of the golf course and provide unique patented lens technology that completely blocks out blue light, this blue light contributes to eye strain and fatigue. The shatter-proof and impact-resistant polycarbonate are both UVA and UVB resistant for peace of mind. You will love the look and clear viewing experience they provide at a fantastic price. A must for keeping the sun out of the eyes when the sun is low.