With clean, sophisticated lines and eye-catching lenses, Ray-Ban Marshal RB3648 Polarized Glass Sunglasses will never be construed as ordinary. Their captivating presence features bold design strokes that include new angles, an extended flat double bridge, flat temples and premium polarized glass lenses shaped to conform intimately to your face. Created in 1937, the classic lenses were originally developed for military use. These lenses offer a high degree of clarity, comfort and protection, blocking out a majority of blue light and prevents 85% visible light from passing through them. Unbelievably comfortable, with crisp, glare-free vision, these lightweight Ray-Ban sunglasses feature a durable steel frame and convenient unisex styling. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.