⏱️ Estimated reading time: 9 min
Key Takeaways
Yes. Swimming‑specific earplugs are designed to block water, not sound. You’ll still hear your coach, start signals and nearby swimmers, although at a slightly lower volume.
No. Balance is controlled by the inner ear. Proper earplugs actually help prevent dizziness by stopping cold water from stimulating the vestibular system.
No. When worn under a swim cap, earplugs have no measurable drag. Many swimmers perform better because they avoid dizziness, discomfort and post‑session ear issues.
Yes. They improve orientation during flip turns and reduce vertigo in cold water, which is especially helpful for open‑water swimmers and triathletes.
They are recommended for swimmers with recurring ear infections, cold‑water swimmers, open‑water athletes, children in training and anyone with sensitive ear canals.
They significantly reduce the risk by keeping water out of the ear canal, which limits bacterial growth and irritation.
Avoid foam earplugs and loose putty plugs. They block too much sound, can trap water and often fall out during turns.
They should seal the entrance of the ear canal comfortably, stay in place during push‑offs and not create pressure or pain.
Yes. Wearing them under a swim cap improves stability and hydrodynamics.
Yes. When cleaned and dried after each session, they are safe for regular use and help reduce training interruptions caused by ear problems.
Many swimmers hesitate to use earplugs for water because they worry about three things:
- Will I still hear my coach or other swimmers?
- Will earplugs affect my balance in the water?
- Will they slow me down or hurt my performance?
These are valid concerns, especially for competitive swimmers, open‑water athletes and triathletes. The short answer is: high‑quality swimming earplugs protect your ears without compromising hearing, balance or performance.
Let’s break down how.
Do Earplugs Block Your Hearing While Swimming?
Not all earplugs are the same, so the answer heavily depends on the type of earplugs.
Cheap foam earplugs are designed for noise reduction. They:
- Muffle sound heavily
- Trap pressure in the ear canal
- Often loosen in water
That’s why swimmers who try standard foam plugs often report feeling “disconnected” in the pool.
Swimming‑specific earplugs work differently.
They are designed to:
- Block water, not sound
- Use soft silicone or TPE that seals the ear canal entrance
- Maintain partial sound transmission
In practical terms, this means you can still:
- Hear your coach’s voice (especially at the wall)
- Notice the start signal
- Be aware of nearby swimmers
Sound may be slightly softer, but spatial awareness remains.
For open‑water swimming, this is critical for safety you must hear waves, splashes and instructions.
Do Earplugs Affect Balance in the Water?
Balance is controlled by the vestibular system in the inner ear, not the outer ear canal. The proper earplugs will only help to improve balance in the water, rather than affect it in the negative way.
Water entering the ear canal can:
- Create pressure differences
- Cause cold‑water stimulation
- Trigger dizziness or disorientation (caloric response)
This is one of the reasons some swimmers feel vertigo after diving into cold water.
Proper swimming earplugs actually help by:
- Preventing cold water from reaching the eardrum
- Stabilising temperature in the ear canal
- Reducing pressure fluctuations
This leads to better orientation and more stable turns, especially during:
- Flip turns
- Open‑water sighting
- Cold‑water entries
Poorly fitting earplugs, however, can trap water and cause pressure build‑up which is why fit matters.
Performance: Do Earplugs Slow You Down?
For pool swimmers, earplugs have no measurable hydrodynamic penalty when properly fitted under a swim cap.
In fact, many swimmers report performance benefits:
1. Fewer Distractions
No water sloshing in the ear means:
- Better focus on stroke rhythm
- Cleaner breathing pattern
- Less post‑set discomfort
2. Improved Turn Confidence
Swimmers prone to dizziness during flip turns often perform more consistently with ear protection.
3. Cold‑Water Endurance
In open water, earplugs help retain body heat by reducing heat loss through the ear canal. This can improve comfort and prolong time in the water.
4. Reduced Infection Downtime
The biggest performance advantage is indirect: fewer ear infections mean more uninterrupted training sessions.
Who Benefits Most from Swimming Earplugs?
Earplugs are especially useful for:
- Swimmers with recurring Swimmer’s Ear
- Open‑water swimmers and triathletes
- Cold‑water swimmers
- Athletes with sensitive ear canals
- People with perforated eardrums (with medical approval)
- Children in swim training programs
They are also recommended after ear surgery or when using ear tubes, under medical guidance.
Choosing the Right Earplugs for Swimming
To maintain hearing, balance and performance, look for earplugs that:
- Create a watertight seal at the ear canal entrance
- Do not go too deep into the ear
- Stay secure during push‑offs and turns
- Work comfortably under a swim cap
- Allow partial sound transmission
Avoid:
- Standard foam earplugs
- Loose‑fitting putty that can dislodge
- Plugs that cause pressure or pain
Fit and comfort are more important than maximum noise reduction.
How to Use Earplugs Without Affecting Performance
Follow these steps for best results:
- Insert earplugs before entering the water
- Ensure a gentle seal, never force them deep
- Wear them under a swim cap for extra security
- Remove, rinse and dry after every session
If you feel pressure, dizziness or muffled hearing that persists after swimming, remove the plugs and check the fit.
The Bottom Line
Swimming earplugs don’t have to isolate you from your environment.
When designed specifically for water sports, they:
- Keep water out
- Preserve functional hearing
- Support vestibular stability
- Improve comfort and consistency in training
In other words, they protect your ears without compromising performance.
For swimmers who train regularly, ear protection isn’t a limitation, it’s a performance tool that helps you stay healthy, balanced and focused in the water.
His connection to hearing protection stems from personal experience with sound sensitivity during live events and work in noisy environments, an issue that made him more aware of the long-term risks of unmanaged noise exposure. Today, as both a communicator and a user of BOLLSEN products, he is passionate about raising awareness around the importance of proactive hearing care.
At BOLLSEN, he develops data-driven marketing campaigns, writes SEO-focused articles, and manages communication channels that connect customers with practical knowledge about hearing protection. His work ensures that BOLLSEN’s message—prioritizing health, performance, and sustainability reaches a global audience in an engaging and trustworthy way.
Passionate about writing since childhood, Timotej combines creativity with a strong analytical approach, continuously testing new ideas in digital marketing, performance advertising, and social media. He believes in learning through innovation and collaboration, balancing leadership with openness to new perspectives.
Beyond his professional role, Timotej is committed to a healthy lifestyle and finds inspiration in fitness, sports, and quality time with friends. His personal passion for well-being aligns with BOLLSEN’s core values, making his work not only a career but also a cause he deeply believes in.