A lot of concert venues have these: https://www.amazon.com/Howard-Leight-Honeywell-Disposable-LPF-1/dp/B000RMFGGY/ https://www.amazon.com/Howard-Leight-Honeywel

A lot of concert venues have these: https://www.amazon.com/Howard-Leight-Honeywell-Disposable-LPF-1/dp/B000RMFGGY/ https://www.amazon.com/Howard-Leight-Honeywell-Disposable-LP... They're comfy and they sound pretty good. Unlike some others, they only reduce by about 12dB, which brings a concert into the safe zone while retaining good clarity. The more reduction you have, the more bass-heavy the resulting curve is, which doesn't sound too good.