Product Description HexArmor K-Series K2 Earmuffs Ergonomic design meets style and convenience. K-Series® earmuffs by HexArmor® are engineered for the modern workplace, delivering premium all-day comfort. Noise Reduction Rating (NRR) 26 dB, CSA Class A(L) Padded headband for premium all-day comfort and low-pressure fit Snug-fitting memory foam ear cushions adapt to the surface and head shape of the wearer Lightweight with length adjustment options for various head shapes Designed for medium noise environments