We just got in a few of Trek’s new Wavecel helmet. It is the newest, safest and most innovative helmet out there. You should ALWAYS wear a helmet when riding. Helmets require replacement every few years, if you can’t remember how old your helmet is it’s probably time for a new one. Below is also a link for a video that local rider Vinny Crispino made when he was younger about his head injury from not wearing a helmet and the importance.