The Wing Back from Abus The Wing Back from Abus has a minimalist design - and yet it hides some sophisticated functions under its winged design, including technologies from the performance helmets. The Wing Back 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 Flow Straps webbing does not need a strap distributor. Features Excellent ventilation provided by 10 air inlets and 7 air outlets Forced Air Cooling Technology combines front and rear vents with deep channels for a cool head - plus air scoop (top) for the Venturi effect Flow Straps: aerodynamic, flutter-free and skin-friendly webbing In-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 fit Helmet fits well on ponytail wearers - height-adjustable adjustment system at the back of the head creates space for ponytails Half-ring: plastic ring half enclosing the head and connected to the adjustment system - enables size adjustment SPECIFICATIONSWeight250 g Air Inlets10Air Outlets7Construction Polycarbonate (PC) shell with polystyrene (EPS) | Abus | Wingback Helmets Men's | Size Medium In White