Adjustable headset Gist Sonar Full In-Mold 54-59

Protection, comfort and design, all in one helmet. Extremely breathable thanks to 25 ventilation holes that ensure continuous dispersion of perspiration in any position. Construction: I-MOLDING Technology. Polycarbonate outer shell and expanded polystyrene shell. Quick lock fit fastening system. 25 vents. Insect-proof mesh.