Lazer Helmet - Z1 KineticoreThe Z1 KinetiCore has been engineered to be both lightweight and allow excellent ventilation, as well as to provide high levels of safety. Taking the iconic Z1 as a starting point, worn by famous athletes such as Andre Greipel on the Champs Elysees, we kept eveything that it was doing right and did it even better by integrating Lazer's patented KinetiCore protection technology. Resulting in a 5 STAR Virginia Tech protection rated lid with rotational