6 panels. Preformed visor. Sewn eyelets. 6 seams on visor. Perforated back and side panels. Head circumference: 58cm. Visor c... 6 panels. Preformed visor. Sewn eyelets. 6 seams on visor. Perforated back and side panels. Head circumference: 58cm. Visor constructed with plastic core structure.