Sure, you could fit the Slingshot with a taller windscreen or a Slingshade roof, but the lack of doors or rear windscreen means you're still somewhat exposed to the elements. The Polaris Slingshot ...

And while the Slingshot is an open-top vehicle by design, Polaris does offer a soft fabric-type roof and semi-hard plastic ... It does not have doors, heaters, A/C, airbags or crumple zones ...