The 3M Peltor X hearing protection features cups and a headband that are adjustable, guaranteeing a perfect fit at all times. The especially small and light cups are dual moulded for improved protection and comfort. The headband is fashioned from a rust-free, stainless-steel wire, covered in a breathable material, with a spring load that can withstand even long-term strain. The tension in the headband is carefully balanced without exerting too much pressure.