When all-day comfort is a requirement for your sunglasses, Oakley's Portal X comes to the rescue. Featuring an O Matter™ lightweight, durable frame, PRIZM lens technology and Unobtanium™ nosepads and earsocks, these sunglasses are modern marvels of the latest technology. Portal X doesn't stop there though, as they also have a classic shape and sleek silhouette, ensuring no sacrifice of style for function. Whether you're on the field or on the bleachers, these sunglasses are a perfect fit every time.