Yes. Most hearing aid wearers can wear any type of hat without any problems. Some people can hear their own voices slightly louder or a bit of whistling from their hearing aids when wearing certain types of hats, but in most cases, properly tuned hearing aids should do this very little. ReSound Vivia™ 9 hearing aids have an excellent anti-whistling system. If you’d like a refresher on what are hearing aids and how they work, our guide covers the basics, and you can browse the Hearing Aids category page for more everyday tips. For more information, contact your Resonate Health specialist today.