PELTOR™ Uvicator™ sensor disc tells you when your safety helmet has been over exposed to UV- radiation and it's time to replace it Softly rounded design, which helps to avoid helmet parts snagging on branches, etc. Lining can be rotated to allow the helmet to be worn back to front when working in tight spaces Can accommodate a range of accessories, for example helmet attached ear muffs Flat surface for printing a logotype, brand name, etc. Easy to replace sweatband for comfort and hygiene.