Unique modular design which adapts easily and quickly to changing operational needs. Dual certification for both helmet and faceshield. The Cromwell Signum range of communications headsets fits easily inside the helmet and is compatible with most radio types. The simple, rapid 4-point adjustment system enables the wearer to swiftly achieve optimum comfort and balance. Sizes: 52cm - 63 cm. Colours: Yellow, white. Helmet conforms to CE EN 443. Visor conforms to CE EN 166.