I've also found success with a solution like this (earmuffs + earbuds) for travel and certain office environments.
I've tried a few different earmuffs, and this model from 3M has been the best for me. They're low profile, (more) comfortable, and as effective as any:
Wearing glasses underneath earmuffs meant for high noise exposure environments can be uncomfortable, as the cups are meant to press into the side of your head.
I've tried a few different earmuffs, and this model from 3M has been the best for me. They're low profile, (more) comfortable, and as effective as any:
https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-...
Wearing glasses underneath earmuffs meant for high noise exposure environments can be uncomfortable, as the cups are meant to press into the side of your head.