STIHL Dynamic X-Ergo helmet set for professional use. The low weight of 800g makes it comfortable to wear for those long working days. High level of ear protection (SNR 30). Metal mesh for optimum visibility. Light penetration: 60%. Extendable push bar with locking positions for optional safety glasses, DYNAMIC Light Plus (available as an accessory). Vents in the upper part of the helmet shell. Complies with EN 352, EN 397, EN 1731.