Specialized Women's S-Works Evade Tri Time Trial Helmet is the pinnacle of aero helmet design, incorporating wind-tunnel-tested design and cutting-edge, ultra-light construction. The impressive low weight is achieved through Kevlar-reinforced Inner Matrix construction. The Mindset fit system features height adjustability for perfect fit and on-the-bike comfort, while the Tri-Fix strap design simplifies fit adjustments. To keep you cool, the 4th Dimension Cooling System channels air through the helmet. Proven in ProTour races, the S-Works Evade will save precious seconds off your best efforts.