Comes with interchangeable smoke, persimmon, and clear anti-fog treated, impact-resistant polycarbonate lenses.     Flexible earpieces conform well when used with full-face and open-face helmets.     Earpieces can be swapped out with a secure, goggle-style strap for aggressive riding in ?skid lid? half-shell style helmets.     Removable brow ?sweat buster? layer.     For eyeglass wearers: snap-in prescription lens frame included. Take it to your ophthalmologist, have your Rx inserted, and leave your contacts at home!     Includes semi-rigid case with lens storage sleeves, and a microfiber cleaning cloth.