The Oakley Sutro Prizm Sapphire Sunglasses are incredibly beautiful and well-designed. Their frames are made out of Oakley's O Matter for a lightweight experience. Unobtainium ear socks and nose pads are a great addition as they ensure that your sunglasses sit securely, even when you sweat. Feature -O Matter frames -Unobtainium ear socks and nose pads -Great upper peripheral field of vision

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