Krest 24 Muffs are Birchwood Casey's lowest profile muff that still offers all the benefits of a full-size range muff. The fold away padded headband is comfortable and a space saver when it comes to transporting your shooting equipment, and the padded ear cups make all day wear comfortable. It includes a set of foam ear plugs. When earplugs are used in conjunction with the, the combo provides an NRR of 34dB.