Thanks to the honeycomb structure of the innovative Multi Speed design, the AirBreaker always offers you optimum ventilation, since it doses the ventilation as it is needed - maximum ventilation on slow, mountainous stages and optimum aerodynamics on fast, flat stages. Features - AirBreaker Optimum aerodynamics Innovative honeycomb structure In-Mold for a durable connection with the outer shell with shock-absorbing helmet material Excellent ventilation with 11 air inlets and 3 air outlets connected with flow channels Weight: approx. 200 g Technologies Forced Air Cooling Sophisticated ventilation system for an optimal head climate. Multi Speed Design A honeycomb structure in the helmet that doses the ventilation as it is needed. FlowStraps Aerodynamic, flutter-free and skin-friendly thanks to specially developed strap profile. Zoom Ace Finely adjustable adjustment system with handy adjustment wheel for customisable fit. ActiCage Lite Structural reinforcement integrated in the EPS for optimized stability. AirPort Aerodynamic glasses holder with strap guide. Ponytail compatibility Ponytail compatibility: Helmet well suited to plait wearers.