The Maya 3.0 has some big shoes to fill. The Maya has been a Kali Krew favorite and one of Kali Protectives' best sellers since its inception. The only real complaint was from Kali Protectives' friends in hotter climates, as the previous iteration could get a little warm on those hot Arizona Summer days. So Kali Protectives added an additional vent, which does a remarkable job of increasing airflow. While Kali Protectives was at it they updated the helmet with a dial retention system, including vertical adjust and improved unibody construction for added strength. The Maya 3.0 steps up and, in Kali Protectives' opinion, improves on an already great helmet.