Vented helmet. ABS shell, textile comfort harness 6 points, wheel ratchet adjustable size, 56-63 cm. Sweat band and chin strap included. Sold with retractable clear visor PW56 included. Spare parts available. Features   CE certified Vented hard hat allowing a refreshing airflow around the head Lateral deformation Anti-scratch coating for added durability Anti-fog coating for additional comfort to the wearer 6 points textile harness Wheel ratchet size adjustment for easy fitting Chin strap included Retractable clear visor included Compatible with PW47 and PS47 clip-on ear muff     Materials ABS, Polycarbonate