Helmet set for professional and private users. High wearing comfort thanks to the lower weight. First-class hearing protection (SNR 30). Metal mesh for optimal visibility. Light transmission: 60%. Removable sliding bracket with click positions for DYNAMIC Light Plus safety glasses (optional accessory). Ventilation openings in the upper part of the helmet. Complies with EN 352, EN 397, EN 1731. Special features: Comfortable helmet set with very good hearing protection for demanding private users and professionals. Complete set with hearing protection, sound protection and sturdy helmet shell. Metal visor for optimal visibility. Hearing protection SNR 30 (EN 352, EN 397, EN 1731). Technical data: Insulation value: 30 dB H-value: 35 dB M-value: 27 dB L-value: 20 dB Interior design: 6-point light transmission: 60