The Smith Signal Mips Cycling Helmet provides cyclists an exceptional custom fit and elevated protection wrapped in the brand's signature style. By integrating Smith's proven VaporFit(TM) fit system with a MIPS(R) liner system, the Signal delivers a tailor-made fit for every rider across four unique shell sizes. The Signal's AirEvac(TM) ventilation system and engineered eyewear storage delivers the ultimate integration you expect from a Smith helmet.