Nike Womens Run X2S Nylon Imported Nylon frame Composite lens Non-Polarized Lens width: 60 millimeters Lens height: 35.5 millimeters Bridge: 8.5 millimeters Arm: 121 millimeters 2" high Precise visual information at all angles Deep lens cut for maximum coverage Lightweight nylon frame for comfort, flexibility and durability Adjustable silicon ventilated nose bridge for a customized fit and reduced fogging Comes with case