According to my experience, this modular helmet is fantastic .It's comfortable and fits securely, even at high speeds. The ventilation system keeps me cool on hot days, and the shield`s anti-fog coating provides excellent visibility. Plus the ability to transform it from a full-face to an open-face helmet with ease is a significant advantage. On the downside, the chin strap may be too long for some riders, but it's adjustable. Overall, it's a worthy investment for any motorcyclist..See full review