With the Jsp evo 3 Revolution vented safety helmet, you work safely and comfortably on construction sites or during industrial maintenance tasks. The robust polyethylene (HDPE) shell delivers dependable impact protection against falling objects and bumps in compliance with the en 397 standard. Integrated ventilation slots promote active airflow, preventing heat build-up and keeping you cool during intensive tasks. Using the Revolution wheel ratchet, you adjust the harness quickly and accurately for a stable fit, even while wearing work gloves. Additionally, universal side slots allow you to mount compatible hearing protection or face visors effortlessly.