6 panels. Curved visor. Elastic mesh panels. Closed back. 8-row stitching on visor. Silver undervisor. Suitable for head circ... 6 panels. Curved visor. Elastic mesh panels. Closed back. 8-row stitching on visor. Silver undervisor. Suitable for head circumferences: S/M between 54 and 58 cm and L/XL between 57 and 61 cm.