Schuberth C4 Basic Matt Black: Since its introduction, the SCHUBERTH flip-up helmet has been in a class of its own. Perfect fit. Optimal wearing comfort – on short as well as long tours. Ideal for everyone – from tourers to racers. The SCHUBERTH C4 BASIC combines exactly these qualities in a compact helmet that barely resembles a flip-up helmet. The SCHUBERTH C4 BASIC is the perfect helmet for the most demanding tourers and racers who want to enjoy undisturbed peace while riding and to concentrate fully on what’s ahead of them.