Full cotton lining. Pre-curved peak. Seamless, centralised front panel. Stitched ventilation eyelets. Enhanced visibility ref... Full cotton lining. Pre-curved peak. Seamless, centralised front panel. Stitched ventilation eyelets. Enhanced visibility reflective accents. Rip-Strip™ size adjuster. Head circumference: 58cm. The visor is made from recycled polythene, which is a tough, light and flexible resin.