POC’s all-new Procen Air aero road helmet ... the most contentious helmets in your weekly group ride. But in reality, it feels great – both light and well-vented. Its magnetic snap-in ...

With the aero shell removed, the Uvex Surge is a genuinely excellent ventilated helmet. That's probably not too big a surprise given just how open it is, but it outperforms other vented helmets ...