3M Peltor Over the head Earmuffs X3A features:

• Over-the-head hearing protection with Noise Reduction Rating (NRR) of 28 dB for moderate to high noise exposure
• Twin headband design helps reduce heat buildup with good fit and balance
• Wire headband offers comfortable pressure during prolonged usage
• Earcups tilt to ensure a customized fit and comfort for individual users
• Electrically insulated (dielectric) wire headband helps reduce exposure to electrical hazards

3M™ Peltor™ X3A Over-the-Head Earmuffs, Hearing Conservation ,10 EA/Case