L1 Leightning Earmuffs Price For: Each Band Position: Over Head NRR Rating (dB) Over the Head: 23 Features: Folding; Padded Headband; Adjustable Headband Cushioned or Padded Headband: Yes Adjustable Headband: Yes Cup Color: Black Cushion Material: Foam Headband Material: Steel Weight (oz.): 9.60 ANSI Specification: S3.19-1974 Other Compliance Specifications: Canada Class B Folding: Yes