POC Octal vs Giro Synthe Helmet: Which Helmet is Better?

The Giro Synthe helmet uses many ventilation vents while the POC octal uses fewer but larger ventilation slots. Giro has impressive cooling power, streamlined aerodynamics, and a Roc Loc Air fit system. It offers fit comfort and stability, while the POC Octal helmet is designed with a size adjustment system, and temperature regulating coolest.