The Radians Low Set Earmuff is a low profile earmuff with a moisture wicking headband and a compact folding feature that allows easy storage. The adjustable headband allows for an optimum fit. - Low profile hearing protection. - Padded moisture wicking headband moves moisture away while providing cool comfort. - Compact folding feature allows for easy storage. - Can be combined with earplugs for maximum hearing protection. - Adjustable headband. - NRR 21 dB