MSA Hard Hat Earmuffs, Dielectric, Series: Sound Control/SH, 25 dB Noise Reduction, Gray, Plastic, 3.7 in L x 6 in W x 7 in H Dimensions, Specifications Met: ANSI S3.19-1974, CSA Class A

ITEM FEATURES:

• Provides maximum space for the ears inside the cup
• Spring design offers low pressure and a high level of comfort
• Easy ear cup height adjustment
• Soft ear cup material for extended wear
• Three distinct wearing positions for ease of use