Lightweight, mid-range yellow earmuff is ideal for noise levels up to 98 dB. Utilizes individual stainless spring steel headband wires and (2) low-tension points for even, comfortable alignment to the head. Features broad foam cushions and pressure equalization air openings, which quickly ensure the correct pressure to the eardrum. Tested to ANSI S3.19-1974. CSA Class A certified. 10pr/cs.