Thunder® Noise-Blocking Earmuffs Eye Protection Adjustable crown strap provides a

Adjustable crown strap provides a secure fit when worn behind-the-head or under-the-chin

Constructed of 5/8” polyester/polypropylene blend that offers additional abrasion and UV resistance

Smooth dome design

Locks immediately into rail in the event of a fall and feature smooth

Thunder® Noise-Blocking Earmuffs Eye Protection Adjustable crown strap provides aUnique dual headband offers better positioning and breathability, and non deforming outer headband minimizes pressure. Dielectric construction withstands use and abuse while protecting workers in electrical environments. Features patented Air Flow Control technology for optimal attenuation across all frequencies and snap in ear cushions for easy maintenance. Cap mounted earmuffs include a pair of adapters for use with most popular hard hats. Tested to