The Oakley Jupiter Squared Prizm Polarized Sunglasses bring bold and refined to your casual days around town. The earstems of the frames are inspired by the handles of switchblade knives and features metal bands and rivets to keep you stylish throughout your day. These O Matter frames are also lightweight for comfort during long periods of wear. Added Unobtanium in the frame means that the sunglasses stay in place when the temperatures start to rise on hot summer afternoons. The shatterproof polycarbonate lenses are equipped with Oakley's Prizm Polarized technology to enhance color contrasts and eliminate glare for optical clarity for wherever your casual days take you.