Brands of "half earplugs" that I've considered:

I call them "half earplugs" because they usually cut the noise level about half as much as regular earplugs, and they also say they try to make conversations more legible. They happen to be much more expensive than regular earplugs.

~ $60

• Loop Switch
• Eargasm
  • Cons — Has a small flexible tab, which can make it difficult to remove the earplugs. (however, they have a connector cord that makes them easier to remove)

~ $40

• Loop — They have almost way too many options, to the point of choice overload. Their "Help me choose" page is really helpful.
• Vibes
• EarPeace
  • Cons — Has a small flexible tab, which can make it difficult to remove the earplugs.
  • They partnered with NPR.
• Earasers
  • Cons — Has a small tab, which can make it difficult to remove the earplugs.

~ $20

• Hearos > High Fidelity
• Etymotic — This company is known for in-ear monitors and other hi-fi sound equipment.

TODO

• list of others: [1]