District Vision’s Kohei Aero Blade Ti is a six-base, rimless blade-style sunglass system engineered for performance and aerodynamic efficiency. The frame is crafted entirely from ultra-light, aerospace-grade titanium and features custom anodized hardware. Hypoallergenic rubber nose pads and temple tips provide a fully adjustable, secure fit, while the D+ therapeutic-grade lenses deliver advanced protection for high-intensity outdoor pursuits.