Culture never stops shifting and Oakley continues to shift with it. OX8208 HSTN SQ RX features the same progressive design as the sunglass. Featuring the original design with a modernized square shape and trigger stem. This multi-piece configuration allowing for both subtle tone-on-tone and bold color-blocking. The frame features plant-based BiO-Matter material that helps provide the same all-day comfort Oakley has long been known for. 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 frames are eligible for all manufacturer warranties. Click on the Oakley link above the product title to shop the entire sunglass and eyeglass assortment.