AIR FLOW CONTROL™ TECHNOLOGY Bilsom’s patented Air Flow Control™ technology delivers optimal attenuation across all frequencies, without increasing earcup size or weight. Dielectric construction suitable for all workplaces, especially electrical environments Uniform headband pressure for all head sizes, providing better comfort for long-term wear Inner-ventilated headband minimizes pressure on the head, breathes easier in warm/humid climates [T2 and T3 only] Non-deforming outer headband withstands rough treatment in the toughest workplaces Quick-Click height adjustment remains fixed during wear Snap-in ear cushions make replacement quick and easy