SPECIALIZED PROPERO 3 HELMETRace inspired, safety approvedWhen it comes to riding on the road, many riders enjoy having a helmet that is lightweight and aerodynamic so nothing holds them back. The Specialized Propero 3 Helmet is a race-inspired helmet that has many features like a Tri-Fix webbing that improves the comfort and strap adjustments, a 4th Dimension Cooling System that helps keep riders cooler when the weather gets warmer, and a HairPort FSL II fit system that provides a perfect fit with a micro-adjustable dial. The Propero 3 has reflective decals around the helmet to help increase visibility in low-light conditions.REVIEWSBike Radar - "A great fitting and good looking helmet without the big price tag." - Ian OsborneFeaturesHairPort FSL II fit system with four height positions and a micro-adjustable dial4th Dimension Cooling System provides excellent ventilation to keep riders coolComposite matrix internal reinforcement allows for larger vents for greater coolingSpecialized Part Number: 60118-0203SPECIFICATIONSCore MaterialEPSClosure systemHairPort FSL IISafety CertificationsCPSCIntended UseRoad, RacingWeight- SizingSizeSmallMediumLargeHat Size6-3/8 - 76-7/8 - 7-3/87-3/8 - 7-7/8Head Circumference (in)20 - 22"21.75 - 23.25"23.25 - 24.75"Head Circumference (cm)51 - 56cm55 - 59cm59 - 63cm