Foam-filled ear cushions offer good sealing and fit with minimum pressure
These twin cup earmuffs utilize a dual-cup design that absorbs energy for greater sound reduction and have a 29dB Noise Reduction Rating. Ear cushions are filled with a soft foam for good sealing and fit and the wide, padded stainless steel headband quickly and comfortably adjusts to fit most head sizes. Ear cushions are easy to replace with replacement ear cushion kit (Item No. HY10, sold separately). 9.3 oz. Made in Sweden.
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2016 Master Catalog: Page 52