Ray Ban 6217 Bill Sunglasses In Grey The Bill acetate style is a bold revision of the famous Aviator style. These glasses feature a transparent grey acetate upper frame and transparent black and grey arms. A square shape with classic G15 toned lenses which absorb 85% of visible light and block out most blue light. The grey lens ensures better clarity of vision and remarkable colour contrast with 100% UV protection. The right lens features the signature Ray Ban logo in white and the signature Ray Ban logo is raised on the left arm in silver. These sunglasses measure 137 mm hinge to hinge 48.7 mm lens height 60.16 mm bridge width and 145 mm temple length. Comes in a leather protective case complete with cleaning cloth. Colour: grey