Capacete aero Rudy Boost 01 - Amarelo e pretoMenos de 6 meses de uso, portanto possui pequenas marcas.Tamanho Large - 59 a 61cmCrafted in Italy's famous Pininfarina wind tunnel with the aid of aerodynamics guru John Cobb, the Boost 01 is Rudy Project's first-ever road aero helmet. Incorporating many advances in fluid dynamics which has made Rudy Project a staple in the Aero / TT helmet world, the Boost 01 is a technological marvel. Featuring 10 vents to assure superior ventilation and a forward placed aerodynamic pressure zone to reduce neck torque, riders can go further, harder and in more intense heat while maintaining superior drag reduction. Lightweight and compact, unmistakably Rudy Project. Note: Optical shield not includedCPSC 12.03 Safety CertificationLightweight - under 10 ozSuperior ventilation - 10 ventsUniversal Dorsal Ridge - coverts sideways force into forward forceDynamic Pressure Point - pulls air around the rider's neck and off the shoulders for improved aerodynamicsZero Torque - 12% aero drag reduction and 65% reduction in neck torqueICEdot Compatible - innovative emergency serviceFree Pad interchangeable comfort paddingR.S.R. 9 Disc Retention SystemFastex System Closure BuckleRudy Self Centering BuckleEyewear DockFeatures & details#1 Helmet at KONAOfficial Helmet of USA TriathlonBuy Direct From The SourceGuaranteed Authentic