Made in Japan.

The Nagata Speed Blade for runners is an ultra-lightweight nylon and titanium frame construction. Adjustable nose pads and temple tips ensure a secure, personalized fit, reinforced with a grade 2 titanium core in the temple tips for added strength. Our signature D+ therapeutic-grade lenses are crafted from a shatterproof polycarbonate compound. The interior surfaces feature anti-reflective and oleophobic coatings, providing comprehensive eye protection while repelling water and oil. D+ Black Rose is an advanced sports lens engineered for trail running and physical pursuits that involve variable light conditions. The lens allows 15.67% of visible light transmittance. The lens also offers 100% UVA/B protection while transmitting 14.19% of blue light.