EAR MUFFS "SHARK" S-78440

[B]Shark dielectric design allows use in virtually any working environment even headband pressure provides equal comfort for all head sizes ventilated inside cushion facilitates air exchange which is especially useful in warm and humid climates undeformed headband resists deformation during use Quick-Click height adjustment system remains locked in place during use retractable damping cushions for quick replacement and easy maintenance noise suppression levels: SNR=34dB, H=35dB, M=31dB, L=25dB do not isolate the worker from the environment which improves overall safety