Mountainbike Helmet. Features: In-Mold for a durable connection with the outer shell with shock-absorbing helmet material (EPS). Ponytail compatibility: Helmet well suited for braided hairstyles. Good ventilation with 5 air inlets and 7 air outlets connected with flow channels. Semi-enclosing plastic ring connected to the adjustment system for optimum stability and form-fitness. Bottom edge protection: Protects the helmet from external influences. ActiCage: Structural reinforcement integrated in the EPS to optimise stability. Zoom Ace: Fine-adjustable adjustment system with non-slip adjustment wheel for individual fit. Weight: 280 g. Colour: Smaragd Green. Size: M (54 - 58 cm).