The OX8153 Metalink combines a sport-inspired design with premium mixed materials to give you style and functionality that can easily adapt to life on the go. Constructed of ultra-lightweight durable NonO-Matter front for all-day comfort and resistance to the elements, and Unobtainium earsocks that increase grip when wet to help keep the eyewear securely in place. The strength and durability of stainless steel allows us to make temples with comfortably thin architecture. This pair are available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on the left wearing lens for proof of Oakley authenticity and quality. Oakley Youth eyeglass frames 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.