The stylish round lens shape of Oakley’s Centerboard eyeglass is brought to life in a wire frame design. Dagger Board is created with created with C-5 material, composed of five metallic compounds fused together for strength and resistance against corrosion. The frame features Unobtainium earsocks and adjustable clear nosepads for a comfortable and seamless look. Oakley frames sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Oakley link above the product title to shop the entire sunglass and eyeglass assortment.