27NRR Blackhawk Over-the-Head Earmuffs Cut Level 5 Durable nitrile energy absorber is

Durable nitrile energy absorber is a smaller design and last four times longer

Single heavy duty steel spring provides stability in gusty winds

(3) 16 in x 18 in Pads

Internal Anti-Fatigue Technology PU midsole for shock absorption and energy return

Includes CPR protective mask

27NRR Blackhawk Over-the-Head Earmuffs Cut Level 5 Durable nitrile energy absorber isHigh performing, dielectric earmuff. Three position model allows for user adjustment. Specialized, high density foam head pad and Soft Seal ear cushions. Independently tested to a 27 NRR (over the head). Product Overview Blackhawk 27NRR Over the Head Earmuffs High performing, dielectric earmuff Three position model allows for user adjustment Specialized, high density foam head pad and Soft Seal ear cushions Independently tested to a 27 NRR (over the