Centurion Vulcan - specialised fibreglass safety helmet, designed to protect workers where there is a risk from high levels of radiant heat. Polyester Resin shell which is Glass Reinforced Plastic (GRP) resistant to radiant temperatures of up to 500°C. Cradle: 6 Point Terylene webbing. Headband: LDPE (Low Density Polyethylene). Sweatband: Brushed Nylon with 2mm foam. Compatible with range of face and hearing accessories.