The best in comfort with a sleek, low-profile fit and feel - the Anon Omega MIPS helmetFeaturesWeight: 500gIn-Shell 360° Boa® Fit SystemSimple FitMIPS System - Multidirectional Impact Protection SystemActive Ventilation with 15 Total VentsGoggle Ventilation ChannelIn-Mold Shell ConstructionLong Hair Fleece on Liner and Ear PadsAudio Accessory CompatibleFidlock® Snap Helmet BuckleCE 1077B, ASTM 2040 Certified