The Prevail II features a web of 35 ventilation ducts and air ports, but still manages to improve aerodynamics compared to its predecessor.
Lowdown: Specialized Prevail II Helmet
The new Specialized Prevail II helmet brings several key improvements to the already iconic traditional road helmet. Responding to racer and consumer feedback, the Prevail II is built to sit lower on the head. It also features a more aerodynamic design than the last edition, while also achieving lower overall weight. Ventilation improvements increase air flow and breathability. And the well-designed micro-fit adjustment capability with the Mindset II dial system round out the new lid's significant improvements. Read the full review below to learn more.