Whether you're riding through winding wine country or your favorite neighborhood paths, you can't go wrong with the sleek style and lightweight protection of the Chamonix MIPS Helmet. This one-size-fits-all cycling helmet features plenty of ventilation for long days in the saddle, and is equipped with MIPS (Multi-Directional Impact Protection System) technology. This key defense layer lines the helmet, giving you additional rotational impact protection in addition to the compressive defenses of the helmet's impact foam.