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 temples are shaped to accommodate helmet use, and adjustable nose pads and temple tips provide a secure, customized fit, reinforced by a grade 2 titanium core for added durability. 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+ G15 lens offers 100% UVA/B protection while transmitting 11.57% of visible light and 7.21% of blue light.