Vintage Ray-Ban W1700 Explorer sunglasses with hard to find Bausch & Lomb B-20 Chromax lenses have a more rounded rectangular shape than traditional aviators, and the gold frame and "General" brow bar look great with the 58mm B-20 Chromax lenses. Chromax Color Contrast Technology lenses enhance the relative intensity and contrast of critical driving colors (reds, greens, and ambers). As a result, brake lights, traffic signals and signs appear brighter and easier to see. Chromax lenses also filter out blue light haze to give you excellent overall contrast and sharpened details. Bausch & Lomb Chromax lenses are scientifically formulated to control glare, adding to driving comfort and reducing eye fatigue. Treated with an advanced anti-reflection coating, they also cut distracting reflections from the rear surface of the lenses. The unisex Ray-Ban W1700 Explorer frame measures approximately 5.5" temple to temple with Chromax lenses measuring 2.25" x 1.675" at the widest points with right lens laser etched Ray-Ban along with the Chromax lightning bolt trademark and both lenses are laser etched BL near the hinges. The top of the nose bridge is impressed B&L Ray-Ban USA, the bottom of the bridge is impressed B&L Ray-Ban 58 [] 17, and one ear pad is marked W1700 YNAS, part of an exclusive collection of vintage B&L Ray-Bans from Greenwich, CT. See all photos for conditions and details frames and lenses have small signs of usage in particular photos 20, 21, 22 With Ray Ban case all my the pre owned sunglasses are cleaned and sanitized using ultrasounds machine