Store +3 Hearing Protection Ear Muffs - NRR22 607-S22220 $178.95 CAD In stock Quantity: 1 Add to Bag Product Details Brand: 3M High Impact Noise Protection Ear Muffs Built-in microphone lets you hear conversations while blocking out the crack of loud sounds. Connects to smartphones. Folds for convenient storage. NRR 22 rated Save this product for later Favorite