From serious cyclists to casual riders, the KASK Utopia Y Helmet is the ultimate choice for those who demand the best in performance, protection, and style. This aerodynamic helmet features a sleek, lightweight, and durable design, as it is made with a polycarbonate shell construction with MIT technology for added safety. For a secure fit, we simply twist the rubber dial of the OCTOFIT+ Retention System, which features ergonomic neck support and a customized fit for riders with long hair.