The best earplugs for open water swimming must hold through sighting strokes, cold water mass starts, and UK temperatures that trigger exostosis year-round. Compare Watersafe+ vs AR KI TECH: 24 dB SNR, from £26.95.
Which earplugs stay in through an open water mass start, remove fast in T1, and protect against cold water ear damage in training? The complete triathlete’s guide.

