The Nagata speed blade for runners is an ultra-lightweight nylon and titanium frame construction. D+ lens is handcut and polished in Japan for unrivaled visibility in various performance conditions.
Tested by New York City athletes and made in Japan. The District Sky G15 lens provides maximum sun protection and allows 15% light transmission.
D+ lens technology is constructed from a proprietary form of polycarbonate material, which is shatterproof and anti-scratch. The lens interior features an anti-reflective application for holistic eye protection. The lens is finished with our oleophobic treatment making it water and oil repellent.