The MET Revo MIPS is an MTB helmet for enduro, trail, and E-MTB riding. It earned a 5-star rating from the Virginia Tech Helmet Lab and carries NTA certification for E-MTB use. Refined internal airflow channels improve ventilation at low and high speeds, and a multi-position visor makes room to store sunglasses.MIPS rotational impact protection system5-star rating from the Virginia Tech Helmet LabNTA certified for E-MTB useUp to 23% more ventilation than the previous RevoMulti-position adjustable visor with room to store sunglasses in the ventsSafety-release visor detaches in a crash to help keep the helmet from shiftingItem SpecificationsActivityCyclingColorSonic Matte BlueDefined ColorBlueGender/AgeUnisexHelmet CertificationsComplies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and OlderHelmet StyleMountainMaximum Head Circumference58Minimum Head Circumference56Rotational ProtectionYesSizeMediumVisor IncludedYesWeight390 MET Helmets Revo MIPS Helmet Helmets EAN: 8015190303963 MPN: 3HM159CE00MBU1