metal detectable regular corded

Alpine has developed special earplugs for this purpose: FlyFit

Check out the Plugfones Sovereign

New reusable

and if that is not enough

EARasers Peace and Quiet Earplugs upsell_3m-peltor-ch-3-headset-with-ptt-headband-mt74h52a-111-slc80-31db-class-5-flx2-port metal detectable regular cordedEarasers Peace and Quiet ear plugs are designed to help you block out unwanted noise to get better sleep. There are two big differences between Peace and Quiet and other ear plugs for sleeping: First, Peace and Quiet ear plugs are reusable, unlike the popular foam ear plugs which should generally be replaced with a new pair each night. This presents nice savings in the long term, and the Earasers plug material is flexible and comfortable (never