BXTR Metal pays homage to Baxter Street, a popular skate spot in Los Angeles where style and authenticity are always on display, just like this frame. The shield sunglass was developed by Oakley(R)'s team of designers who collaborated closely with friends of the brand to uncover a unique take on lifestyle eyewear. BXTR Metal's modernized trigger stem is inspired by Oakley's original Razor Blade sunglasses. The frame is elevated with metal material in homage to the prototype for the first Oakley sunglass - made from a goggle lens and wire coat hanger. The BiO-Matter(R)* frame material means all-day comfort and lightweight durability, while Unobtainium(R) nosepads provide increased grip Fit & Design: Modern shield design inspired by Oakley's first sport performance frame Lightweight and durable BiO-Matter(TM)* frame provides all-day comfort Modernized metal trigger stem design inspired by Oakley's iconic Razor Blade and made from metal in homage to the original Eyeshade prototype Unobtainium(R) nosepads provide no-slip grip when wet to help increase retention Technology: Prizm(TM) Lens Technology engineered to enhance color and contrast to see more detail Impact protection: Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions Additional Details: *Made from bio-materials having at least 56% bio-based carbon content (representing ratio of castor oil to fossil sources)