The WingBack from Abus has a minimalist design – and yet it hides some sophisticated functions under its winged design including technologies from the performance helmets. The WingBack emphasizes its sporty character with deep ventilation channels thin struts and a separation edge at the rear. The combination of polycarbonate (PC) and polystyrene (EPS) gives it a very light appearance with a weight of just 250 g. The flutter-free FlowStraps webbing does not need a strap distributor.Excellent ventilation provided by 10 air inlets and 7 air outletsForced Air Cooling Technology combines front and rear vents with deep channels for a cool head – plus air scoop (top) for the Venturi effectFlowStraps: aerodynamic flutter-free and skin-friendly webbingIn-mould design for a permanent bond between the outer shell and the shock-absorbing helmet material (EPS)Zoom Ace: finely adjustable height-adjustable adjustment system with easy-grip adjustment wheel for individual fitHelmet fits well on ponytail wearers – height-adjustable adjustment system at the back of the head creates space for ponytailsHalf-ring: plastic ring half enclosing the head and connected to the adjustment system – enables size adjustment Rotational Protection No Helmet Certifications Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 55, 58, 61 Gender/Age Adult Minimum Head Circumference 51, 54, 57 Color Shiny White, Velvet Black Size Large, Medium, Small Visor Included No Multi Impact No Weight 230, 250, 270 Helmet Style Urban Defined Color Black, White