Designed for all your adventures around the water. The District Vision Explorer Kaishiro Gray Sunglasses block all reflected light in addition to direct intense sun rays. Featuring a oleophobic lens coating for full protection against water and oil. Tested by New York City athletes and made in Japan. This frame features D+ lens technology, which is an adjustable hypoallergenic rubber nose pad and temple tips with a titanium core. These sunglasses are some of the lightest and most comfortable sports frames out there.