100% UV Protection Eliminates glare from snow, water or road surfaces ensuring purity of vision and protecting the eyes from strain. Flash Mirror Coating - A flash or mirror coating is good for situations that require a reduction in the overall brilliance of light, such as sunlight on snow, roads or water. Lens Curvature – 6 base. Improves awareness and offers better periphery vision.
This is an outstanding product that holds a race number in place. I completed a 5K race recently and it worked brilliantly in very strong winds. Highly recommended product and seller. Well done Chelston Direct.