With the Mount Z ABUS offers the perfect choice for young mountain bike riders. The shape of this high-quality bicycle helmet is designed for the first off-road excursions with a deep fit to the sides and rear. Key Features: In-Mould for a durable connection with the outer shell with shock-absorbing material (EPS),Ponytail compatibility: Perfect fit for riders with long hair,Zoom Ace Urban: Finely adjustable retention system full head ring giving stable and comfortable fit,Excellent ventilation with 5 air inlets and 8 air outlets connected with deep air channels,Bug mesh: Full protection from insects.