Giro: SHAPE THE WIND The Vanquish MIPS is the pinnacle of high-performance road cycling helmets, featuring the innovative TransformAir design that actively streamlines airflow to reduce drag.Inside the Vanquish is an EPS liner with progressive layering, and our renowned RocLoc Air system seamlessly integrated with MIPS technology to enhance comfort and cooling power while providing an additional measure of protection.So whether you're hammering off the front, smashing an Ironman course, or laying down maximum wattage in the dash to the finish line, the Vanquish shapes the wind to work for you. SPECS- TransformAir™ technology- EPS liner with Progressive Layering- Integrated Mips® brain protection system- Magnetic VIVID™ shield by ZEISS®- Stealth shield dock- Eyeglass grippers- Ionic+™ anti-microbial padding- Featherweight webbingCONSTRUCTION- In-Mold polycarbonate shell with EPS liner- Four-piece polycarbonate interlocking Hardbody™ shellFIT SYSTEM- Roc Loc® 5 Air MipsVENTILATION- Wind Tunnel™ ventilation with internal channelingSUPER FIT™ SIZES- S 20”–21.75” / 51–55cm- M 21.75”–23.25” / 55–59cm- L 23.25”–24.75” / 59–63cm