Overtake your competition with this revolutionary helmet. Providing maximum ventilation, superior aerodynamics and improved protection, the Overtake is the ultimate racing helmet and a must have for any cyclist, in any event. Integrating proprietary technologies with best-in-class protection options, the Aerocore(TM) construction featuring Koroyd(R) lining makes the Overtake the most complete helmet on the market. Features: - Lightweight Aerocore(TM) In-Mold Construction - Ventilated Protection Featuring Patented Koroyd Material - Integrated Skeletal Structure and Carbon Fiber Reinforcements - VaporFit(TM) Adjustable Fit System - 21 Optimized Vents Balance Aerodynamic - Performance Without Compromising Ventilation - X-Static with Reactive Cooling Performance Lining - Ultra-Light Single Layer Webbing - AirEvac Ventilation - Ultimate Sunglass Integration - Weight: 9.17 oz / 260 grams - Certification: CPSC, CE EN 1078, AS/NZS2063 Sizing: - Small: 51-55cm - Medium: 55-59cm - Large: 59-62cm