Good hearing protection insulation with 26 dB SNR, individually adjustable, 4-point textile interior, seal between helmet and visor, hinged grille is contoured for the best seal between visor and earmuff, maximum ventilation, hearing protection can be folded down and rotated, helmet shell made of high-quality PE plastic with UV Stabilization, face protection made of nylon fabric, approval standard: 2704FN KWF-tested, thus approved for all state forest offices, according to EN 397, EN 352-3, EN 166 and EN 1731