This new patent pending Dry Cooling technology, designed by Centurion Safety Products, utilising Inuteq technology, provides enhanced cooling comfort for the wearer as it is 100% dry and cools the head down to 15°C below ambient temperature. The revolutionary technology is activated with a small amount of water and re-activation is only required every 1-3 days (dependant on humidity and airflow). Approved To: Helmet continues to meet the requirements of EN 397 with the helmet pad fitted.