Meteor Gruver M 55-58 cm Navy Blue Helmet 24804. The Meteor helmet provides maximum head protection while cycling, scootering, inline skating, roller skating, quad biking, or skateboarding. Its attractive design features reflective details. Its lightweight, ergonomic construction. The shell, made of highly flexible EPS polystyrene, protects against injuries by absorbing all the stresses that can occur during a fall. The visor is removable. The helmet is size-adjustable using a multi-position ring (Fit Size-headlock closure) and special buckles. The padding is removable for washing and drying. 23 ventilation openings with the Air Flow system ensure a constant airflow. The helmet features countless microscopic air pores. Technical data: · Outer shell material: PVC · Absorbing material inside: EPS · Certificate - product complies with the requirements of the European standard EN 1078 · Size M: adjustment 55-58 cm · Technology: Out-mold · Fit Size System - headlock multi-stage ring for smooth circumference adjustment; Using one hand, you can easily adjust the helmet to your head using a small knob located at the back of the helmet. Antibacterial interior - soft, pleasant-to-touch lining that doesn't catch on hair, prevents the growth of bacteria, and reduces unpleasant odors caused by sweat. Air Flow System - constant air circulation around the head and heat dissipation. Fly Net System - mesh located in the front ventilation openings protects the head from insect bites when riding in warm and humid conditions. Quick-Release System - quick-release buckles. Removable lining elements - it's easier to keep the sweat-absorbing elements clean when they can be washed and dried efficiently. The shelf life is 5 years from the date of production. The visor is permanently attached and cannot be removed. Attempting to remove the visor may result in its destruction.