Lazer Z1 KinetiCore Helmet Matte Full WhiteZ1 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 helmet with rotational impact protection built in weighing in