Hot Leathers Hero UV Active Sunglasses w/Transforming Lenses. Hero UV Active Sunglasses w/ Transforming Lenses are designed for the fast paced biker with an “on-the-go” lifestyle. These unisex, black sunglasses are enhanced with UV activated transforming lenses that tint automatically to light and adjust to darkness, in addition removable foam padding for a great fit. Don’t even think about hitting the road without these awesome sunglasses. Order yours today!