Advanced Performance Road Helmet. Key Features: Spherical Technology™,MIPS® brain protection system Progressive Layering Nanobead EPS,Ionic+™ anti-microbial padding,Reflective decals, Independent, In-Mold liners with spherical ball-and-socket design,Full lower Hardbody coverage, Roc Loc® 5 Air, 15 Wind Tunnel™ vents and deep internal channeling.