The Nagata Speed Blade is a four base frame with a classic aviator shape designed to protect the eyes and enhance the field of vision. The frame is constructed from TR90 injected nylon with beta titanium armature and hardware, and features signature D+ therapeutic grade lenses, constructed from a proprietary form of shatterproof polycarbonate. The lens interiors are treated with both anti-reflective and oleophobic coatings for holistic eye protection and water and oil repellency. A fully adjustable and hypoallergenic rubber nose pad and temple tips provide a secure and customizable fit.

Made in Japan.

Lens:

D+ Black Rose is an advanced sports lens engineered for trail running and physical pursuits that involve changing light conditions. The lens has a variable light transmission allowing 15.6% to 35.15% of light through. This enhances visibility in a variety of performance conditions. The lens also offers 100% UVA/B protection while transmitting 14.19% of blue light.

The Sports Lens of the Future
D+ lens technology is constructed from a proprietary form of polycarbonate, which is shatterproof. The lens interior features an anti-reflective application for holistic eye protection. The lens is finished with oleophobic treatment making it water and oil repellent.