Made in Japan.

The Takeyoshi Altitude Master is an 8 base frame construction designed for rigorous outdoor pursuits. The ergonomic form is engineered to aid ventilation and enhance the field of vision whilst protecting the eyes. The frame features temples architected for helmet use, D+ lens technology, an adjustable hypoallergenic rubber nose pad and temple tips with a titanium core.

*Due to the handcrafted nature of this frame, the polishing stage may result in a hairline patina. Each frame is unique and thoroughly inspected by our dedicated team in Japan after production.

24G

Lens

A Transitionary Lens Technology
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.

Technology

The Most Comfortable Sports Frame
Our hypoallergenic adjustable nosepad is mounted with titanium screws and a titanium core to produce the lightest, most comfortable sports frame. We recommend visiting a preferred optician to ensure a durable and comfortable fit.

Each frame is accompanied with an Ultrasuede® pouch, serving as both a storage solution and a lens-cleaning accessory. Ultrasuede® is a soft material with a luxurious texture incorporating 30% recycled plant-based fibers, utilizing advanced fiber technology pioneered by Japan’s Toray Industries, Inc.

Research & Development
District Vision researches and develops tools for outdoor pursuits. We have collaborated with athletes to produce the world's first proprietary Japanese eyewear system. With all our products, we maintain the methodology of Kaizen, the concept of continuous improvement, to make the finest tools for athletes.

Titanium Grade 2 Core
Our frames are crafted with a titanium grade 2 core, providing strength while retaining flexibility. Grade 2 ensures durability along with a high level of corrosion resistance, making it a material widely utilized in aerospace applications.