Motorcycle Riding Transitional Glasses Foam Padded for Men & Women Featuring Photochromic lenses Your vision on a motorcycle is critical, whether you’re on the racetrack or just taking a joy ride. These photochromic goggles help to optimize vision while riding in sun and shade, day and night. Unlike traditional clear or tinted glasses, these sunglasses automatically adjust their level of darkness depending on changing light conditions for a more comfortable, enjoyable ride. Features: Impact Resistant Photochromic Polycarbonate Safety Lenses Scratch Resistant 100% UV Protection Matte Black Flex Frame Measures across 5 1/2", lens height 1 5/8", temple length 5". Fits Small,Medium,Large size head. Free microfiber case. Protection while riding from from dust, wind and debris.