Meet the all-new Propero 4 helmet it brings the aero advantages of the S-Works Evade 3 together with the ventilation of S-Works Prevail 3 all with the comfort and confidence Specialized helmets are famous for earning the highest 5-Star Virginia Tech® helmet rating. Every detail of the Propero 4 was created with our equation for speed in mind. Aerodynamics + Ventilation + Lightweight = Fast.

AERODYNAMICS: With extensive testing in CFD and in our Win Tunnel aerodynamics were at the forefront of the Propero 4 development. We took the aerodynamic leading edge from the S-Works Evade 3 and pulled it directly into the Propero 4 which helped it to be four watts or 15 seconds over 40km faster than our S-Works Prevail 3.

VENTILATION: Drawing inspiration from our world-renowned S- Works Prevail 3 our goal was not merely to replicate but to elevate. Ventilation became a focal point in our quest for a well-balanced aerodynamic and ventilated helmet. We incorporated the rear-end design language of the S-Works Prevail 3 and introduced small 2mm offset micro-channels that create turbulence in the airflow throughout the helmet to help create a continuous refreshing flow of air.

ATTENTION TO DETAIL: Beyond just aerodynamics and ventilation the Propero 4 represents meticulous attention to detail. We went the extra mile by incorporating cutting-edge technologies from our S-Works level helmets like MIPS technology for confidence and a fit system designed to deliver all-day comfort. The Propero 4 doesn't just meet expectations; it redefines them.