BVLGARI Serpenti BV8241KB 5381T3A BVLGARI sunglass frame featuring a butterfly shape and a black on grey crystal colour frame with grey gradient polarised lenses. Polarised: Polarised sunglasses reduce the amount of glare from reflected light, this is especially useful for outdoor sports or driving but also great choice for supreme comfort in all conditions. Includes all official eyewear accessories and will be covered by a 24 month global warranty.