The 5-RG Safety Helmet has been designed and manufactured to ensure optimum impact protection from objects including stones, roofing tiles and bricks in addition to offering protection against electrical discharges. With a wheel ratchet fastening system, this helmet remains comfortable and secure. High density polyethylene shell Adjustable polyethylene 6-point inner harness Sweatband to the front of the inner harness Working temperatures between -10°C to 50°C Protection against electrical discharges up to 1000V High density polyethylene shell | Adjustable polyethylene 6-point inner harness | Sweatband to the front of the inner harness | Working temperatures between -10°C to 50°C | Protection against electrical discharges up to 1000V | Complies with EN 397:2012+A1:2012 | Complies with EN 50365:2002 |