Ear protection

Wed Sep 23 09:34:11 UTC 2015

What are people using for ear protection for datacenters these days?  I'm
down to my last couple of corded 3M 1110:

http://www.shop3m.com/3m-corded-earplugs-hearing-conservation-1110.html

These work reasonably well in practice, with a rated nominal noise
reduction rate of 29dB.  Some people find them uncomfortable, but they work
well for me.

There are other ear plugs with rated NRR of up to 32-33dB.  Anyone have any
opinions on what brands work well for them?

Nick