OverviewThe H-Wall Fusion sunglasses combine the best features of the Wrap and Sweptback, allowing two different lens shapes with one, lightweight frame. Choose which lens provides the best coverage and interchange the lenses along with the changing environment. Block both light and debris to protect your vision. Contact wearers can enjoy the Wrap as daily sunglasses and switch the Sweptback for more coverage during outdoor activities. Magnetic Interchange Lens System - Switch uses high-energy magnets embedded in the lens and frame to enable users to swap lenses quickly and easily as light conditions and activities change.