The Howard Leight Thunder Noise Blocking Earmuffs are available in headband, cap-mounted, or folding style and are ideal for use in workplaces especially in electrical environments because of it's dielectric construction.  The Thunder earmuffs features Air Flow Control patented technology which is designed for optimal attenuation across all frequencies.  The ear cushions of these earmuffs are snap-in which makes maintenance easy.  All day comfort is provided with these noise blocking earmuffs which have great durability and a quick-click height adjustment which remains fixed during the full time of wear. 

• Headband Style Designed with Uniform Headband Pressure for all Sizes & is Inner-Ventilated
• The Outer Headband is Non-Deforming
• Air Flow Control Patented Technology
• Great Durability & Comfort