Building upon the success of it's predecessors, Oakley's Latch Key M sunglasses were made for those on the move. Constructed with a faux semi-rimless stainless steel rim-wire, these frames also have the classic notched bride and lens shapes, creating a truly classic look. The most gripping aspect of the frames? The improved clip hinge mechanism that enables the wearer to clip the sunglasses securely on any collar, proving these shades really can go anywhere you do. Get hooked on Latch Key. Features of Oakley Latch Key M Sunglasses Faux Semi-Rimless Stainless Steel Rim-Wire Lightweight and Durable O Matter™ Frame Clip Hinge Mechanism to Latch Eyewear to Your Shirt New Grip Fit Nosepads Available with PRIZM™ Lenses Designed to Enhance Color, Contrast and Detail Polarized and Iridium™ Lens Options Available 4 Base Lens Geometry with HDO™ Three-Point Fit Designed for Comfort and to Keep Your Eyewear in Place Suitable for Small to Medium Faces Oakley Latch Key M Metro Matte Carbon w/24K Iridium Lenses OO9394-1052