Klein Earmuffs for Cap Style Helmets

Designed for Use With Klein Tools Cap Style Hard Hats and Safety Helmets, Noise Reduction Rating (NRR): Cap Style (27dB), Safety Helmet (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