The best noise-cancelling earmuffs combine high acoustic attenuation, comfort, and durable materials. Brands such as 3M Peltor, Uvex, and Honeywell offer leading models in the industry. Notable examples include the Peltor Optime III H540A and the Uvex K20H 30 dB, providing effective protection against intense industrial noise, ergonomic design, and EN 352 certification.