These Peltor Optime 105 over-the-head rigid double-shell earmuffs are one-size-fits-most and come in black/red. They have cushions, a band, and a cup made of foam/polyurethane/polyvinyl chloride, acetal/stainless steel, and ABS respectively. The noise reduction rating is 30 decibels and meets the CSA Class AL standard. These earmuffs are suitable for noise exposures up to 105 decibels.