Walker's Razor Compact Passive Muffs feature an NRR of 25 and a sound-dampening composite housing that blocks harmful noise while preserving clarity and letting wearers hear important ambient sounds. Lightweight and compact, they feature durable rubberized ear cups that resist wear and tear, and a convenient foldable design.Key FeaturesNoise Reduction Rating: Offers an NRR of 25 for effective sound dampening.Durable Construction: Made with rubberized ear cups that resist wear and tear.Foldable Design: Compact design for easy storage and portability.Adjustable Fit: Padded headband with a strong metal wire frame ensures a snug fit.