I haven't sprung for a pair of these yet, but with all the concerts I go to, I'm tempted.

How Loop Earplugs Turned Down The Volume For Gen Z And Dialed Up Massive Revenue
Maarten Bodewes and Dimitri O suffered hearing damage from years of attending loud concerts and wanted to help others avoid the same fate. Now their cult earplug company brings in $220 million, has collaborations with Coachella and McLaren, and is coming to a big box retailer.
forbes.com
