Now Adjustable Every other CMC Rescue innovation thoroughly field tested by CMC Rescue School instructors and now widely being used by rescuers world wide, the newly adjustable Sunbrero fits over your helmet to block the sun from your face, ears, and the back of your neck. Its black undersurface prevents sun reflection, and it also works well within the rain. Made of durable, 1,000-denier CORDURA® nylon fabric, the improved Sunbrero now features a much broader elastic band with hook-and-loop adjustability, which grips securely to the headlamp retainer clips on most helmets. Working-At-Height / Industrial Rope Get admission to / Technical Rope Rescue Working at height requires reliable, quality equipment. The SunbreroTM rescue helmet sun visor can be utilized with confidence in work-at-height maneuvers for industrial rope Get admission to or technical rope rescue when used in keeping with the regulatory safety standards it falls under. All the time use life safety equipment and gear consistent with the regulatory safety standards for which it’s classified and/or certified.