The VERTEX VENT helmet is very comfortable thanks to the six-point textile suspension and CENTERFIT and FLIP&FIT systems which ensure that it fits securely on your head. The strength-adjustable chin strap makes the helmet suitable for both working at height and on the ground. The helmet is equipped with ventilation holes with controllable closures. It is a fully modular helmet It is a fully modular helmet which meets the specific and additional needs of professionals. Lifetime: 10 years.