Detachable label. 5 panels. Structured front panel. Pre-formed visor. Ventilation grommets. Adjustable buckle tightening stra... Detachable label. 5 panels. Structured front panel. Pre-formed visor. Ventilation grommets. Adjustable buckle tightening strap. Head circumference: 58cm. The visor is made from recycled polythene, which is a tough, light and flexible resin.