The Bell SRT helmet combines the functionality of a modular helmet, with the quality of a track day helmet. The SRT has 2 shell sizes and is made of lightweight fiberglass composite. The modular flip up style helmet also has a drop down interior sun shield. It's also eyewear compatible and has recessed EPS spekaer pockets. The interior is removable, making washing the helmet easy and quick. If you're looking for quality and protection in a modular helmet, the SRT is the one!