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+ Sports Yellow lens is a shatterproof polycarbonate lens with high light transmission. The lens offers 100% UVA/B protection while transmitting 74.40% of visible light and 31.67% of blue light. It is engineered to render the environment brighter, suitable for low light conditions. Best for sunset and sunrise runs.