3M™ Peltor™ X4A Earmuff (NRR 27dB)

NRR 27dB
ABS plastic cup, rigid and impact resistant
Soft wide ear cushions reduce pressure around the ears 
Ear cups tilt for optimum comfort and efficiency 
Large space inside ear cups reduces moisture and heat build up
Twin headband design for outstanding balance and comfort
Wire headband offers comfortable pressure during prolonged usage
Fully dielectric construction, light weight and compatible with other personal protective equipment (PPE)
Recommended for moderate to high noise exposure applications