The NM-C20/R earmuffs are personal protective equipment designed to ensure effective noise reduction thanks to a robust construction and select materials. The earcups are made of ABS, which ensures strength and durability, while the internal components combine PVC, synthetic leather, and sponge to provide long-lasting comfort and a proper acoustic seal. The soft earpads promote even pressure distribution around the ear, helping to improve sound isolation and ergonomics during prolonged use. The adjustable headband design allows for optimal adaptation to different head sizes, maintaining stability and consistent performance over time.