TheSpecialized Chamonix MIPS Road Helmethas Premium features, certified protection, and sleek styling make the Chamonix a tremendous value for any cyclist. You\'ll also find that it\'s equipped with next-level protection courtesy of revolutionary MIPS technology (Multi-Directional Impact Protection System).Specialized Chamonix MIPS Road HelmetFeaturesOne-size system, designed for easy and accurate fit to a wide range of head sizes.Headset SX fit system with micro-adjustable dial for easy, secure, and accurate fit.4th Dimension Cooling System optimizes ventilation.In-moulded shell improves strength and reduces weight.Tri-Fix web splitter for improved comfort and ease of strap adjustments.Reflective webbing and decals for increased visibility to motorists in low-light conditions.Patented clip-on visor included.MIPS-equipped.Fit system is ANGi crash sensor ready.