Perfect fit: Ergonomically designed to reduce neck strain; Padded head band and swivel cups lined with soft EVA foam cushions to provide non-stop comfort around head & ears; Ear cups can be adjusted to fit all sizes while keeping band close to the head. Compact: Our ear muffs passively isolate noise, don’t require batteries & are easy to carry and store with their perfect size and foldable design. The strong stainless-steel wire swivel fork arms ensure strength & long-lasting durability. Noise Suppression: Silence out your world with our noise dampening foam; Loud noises increase the likelihood of hearing loss and cause other negative health outcomes, try our product to reduce & filter out sounds, for better hearing protection. Certified: Ideal for professional use like construction work, ground support, hunting, wood working etc.; The HP424 Premium Ear Muffs are independently tested and certified to NRR 24 (ANSI S3.19) and CSA Class A. Frequently Bought Together: Pair our 24dB NRR Noise Cancelling Ear Muffs with Sellstrom’s 32dB NRR Disposable Uncorded Foam Ear Plugs to ensure maximum protection in high levels of sound exposure.