*This product has been opened and is found to be in new condition. Often open box items are great deals as they have never been used and only the packaging would show markings. It is sold as "non-returnable". Standard warranties still apply. The MonTrailer offers this increased need for protection and a multitude of well thought-out features for off-road use. This mountain bike helmet is light, extremely well ventilated and extremely comfortable and is perfect for racing or the everyday trail tour. ActiCage, a structural reinforcement integrated in the EPS to optimise stability Bottom edge protects the helmet from external influences GoggFit ensures safe positioning of glasses and provides storage space when not in use Good ventilation with 5 air inlets and 7 air outlets connected with flow channels In-Mold for a durable connection with the outer shell with shock-absorbing helmet material (EPS) Ponytail compatible and well suited for braided hairstyles Semi-enclosing plastic ring connected to the adjustment system for optimum stability and form-fitness The transparent visor gives the wearer good all-round vision without having to take their eyes off the trail Zoom Ace adjustment system with non-slip adjustment wheel for individual fit