Oakley Latch Sunglasses. A fresh path from the trailblazers of style, this design inspired by influential athletes is shaped with a classic keyhole bridge and the curves of rounded lens orbitals, engineered with the convenience of an interior kick-up feature that lets you clip it to your shirt. - Lightweight O Matter™ frame material with Square O metal icon accents - Clip hinge mechanism that enables the eyewear to latch onto your t-shirt to secure eyewear - 4 base lens geometry with HDO™ - Available with Prizm™ lenses to enhance colour, contrast and detail for an optimized experience - Prizm Black lenses allow 11% light transmission, for increased contrast perception in bright light conditions Oakley Latch Sunglasses