The ACS SleepSound was created to help you sleep without any noise distractions and was developed initially for shift workers who needed to sleep during the daytime. However, users reported their effectiveness at reducing the level of their partners snoring to a degree where it became possible for them to sleep soundly without distraction. Voted the best earplugs for sleeping by The Telegraph!
When you need to block out as much sound as possible with little ambient awareness required.
Swim plugs from ACS give you a custom made seal that keeps water out of your ear whilst swimming.