Specialized Propero 4 Bike Helmet bikepublish Polartec Alfa synthetic insulation

Polartec Alfa synthetic insulation

The Crazy M Resolution Pant represents the perfect fusion of Italian craftsmanship and mountain performance

light weight and broad contact area that promotes powerful downhill performance

and improve efficiency in varied backcountry terrain

Thermal Management: Passive Cooling

Specialized Propero 4 Bike Helmet bikepublish Polartec Alfa synthetic insulationMeet the all new Propero 4 helmet. This helmet combines the aero advantages of the S Works Evade 3 with the ventilation of the S Works Prevail 3, all with the comfort and confidence Specialized helmets are famous for. It earned 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