I use these!
DUBS Noise Cancelling Music Ear Plugs: Acoustic Filters High Fidelity Hearing Protection https://www.amazon.com/dp/B00NW1IZ5Q/ref=cm_sw_r_cp_apa_ZUILzb4AMBQMF
They work really well. I have even gotten a couple friends in my group buy them.
What is your opinion on dubs ? https://www.amazon.com/DUBS-Noise-Cancelling-Music-Plugs/dp/B00NW1IZ5Q
For non-custom plugs, I like these: https://www.amazon.com/DUBS-Noise-Cancelling-Music-Plugs/dp/B00NW1IZ5Q
I wear custom filtered hearing plugs in both ears every day. Reducing lower-decibel noise gives my brain a huge rest by cutting out a bunch of sound to process. They've allowed me to better understand conversation in loud and regular environments. I don't do anything without them.
I have DUBS which I find to be pretty good