Specialized Propero 4 HelmetThe Propero 4 helmet combines aerodynamic elements from the S Works Evade 3 with the ventilation features of the S Works Prevail 3. It offers a four watt advantage over the Prevail 3 while maintaining high airflow through Micro Channeling technology. This system creates continuous internal air movement to manage heat effectively during intense cycling efforts in various conditions. Safety remains a priority with a 5 Star Virginia Tech rating and the