Introducing the Specialized Propero 4a helmet thats designed to bring the aero advantages of the S-Works Evade 3 together with the ventilation of S-Works Prevail 3 and it does it all with the comfort and confidence Specialized helmets are famous for earning the highest 5-Star Virginia Tech helmet rating from internationally renowned Virginia Polytechnic Institute and State University. Every detail of the Propero 4 was created with our equation for speed in mind. Aerodynamics + Ventilation + Lightweight Fast.

• Micro Channeling & large rear-end vents for increased ventilation.
• Mips C-Solution.
• Precision, full-wrap polycarbonate shell for increased durability and premium finish.
• Propero 4 earned the highest 5-Star Virginia Tech Helmet Rating from internationally renowned Virginia Polytechnic Institute and State University.
• S-Works Evade 3 front-end design language for enhanced Aerodynamics.
• Sunglass storage.
• Thin 10mm webbing for increased comfort.