Pyramex Ear Muff Foam 26dB Over The Head Gray. They are lightweight and comfortable and have a height adjustment to fit most. This model includes a fold-away padded headband. Specifications for Pyramex 26dB Over The Head Ear Muff Foam: Manufacturer: Pyramex Color: Gray Fabric/Material: Foam NRR: 26 dB Quantity: 1 Package Contents: Pyramex 26dB Over The Head Ear Muff Foam Pyramex PM3011: Ear Muff Foam 26dB Over The Head Gray