My go to earplugs are Westone WR20. They block just enough (20db) if you are up front. They are tiny and nothing sticks out of your ears.

Westone Universal Fit Protective WR 20 Earplug, NRR 12, Average Attenuation 20dB https://www.amazon.com/dp/B00K6CX7HU/ref=cm_sw_r_cp_apa_evxszbT56QJNZ