Klein Tools Full Brim Hard Hat Earmuffs are designed to work with all Klein Tools Full Brim Hard Hats, and are intended to provide limited protection from harmful noise. Tested in accordance with ANSI S3.19-1974 standards, the NRR (noise reduction rating) for these earmuffs is 26dB. Designed for all day comfort and effective acoustic seal.

• Earmuffs designed for use with Klein Tools Full Brim Hard Hats.
• Noise Reduction Rating (NRR): 26dB.
• Soft foam ear cushions for effective acoustic seal and all-day wear.
• Spacious interior for comfortable ear fit.
• Designed with pivot positions on earmuff connector for in-use, stand-by, and storage positions.
• Easy to adjust wire arms for customized fit.
• Durable ABS plastic cup for rugged environments.